The New Climate Gold Rush: Scrubbing Carbon From the Sky

Investors are betting that they can make a dent in global warming, and healthy profits, with companies that alter the atmosphere.

E.P.A. Administrator Michael Regan to Depart at End of December

Mr. Regan informed agency employees that he would leave before the formal end of the Biden term.

How the Climate Crisis Became an Insurance Crisis

Even in formerly low-risk areas, home insurers are raising premiums and ending coverage. The upheaval could push down home values and reverberate through the economy.

Biden, Headed to the Exit, Sets an Aggressive Climate Goal for the U.S.

The promise of deeper emissions cuts will very likely be ignored by the Trump administration, but officials hoped it would send a signal to the world.

E.P.A. Allows California to Ban Sales of New Gas-Powered Cars by 2035

The Trump administration is expected to revoke the program, setting up a legal clash between the state and federal government.

Youth Climate Activists Get Major Win in Montana Supreme Court

The court agreed that the state’s energy policies violated Montanans’ constitutional right to a clean environment.

Insurers Are Deserting Homeowners as Climate Shocks Worsen

Without insurance, it’s impossible to get a mortgage; without a mortgage, most Americans can’t buy a home.

See Where Home Insurance Policies Were Dropped in Your State

Insurers are retreating from communities across the country that face growing risks from hurricanes, wildfires and other disasters. Here’s how your area compares.

Worrying Signs From the Arctic

Scientists are seeing changes that could have consequences for the whole planet.

Gas Exports Pose Some Risks to U.S. Economy and Environment, Study Says

The long-awaited study was criticized by the oil and gas industry and could help environmental groups that want to stop new export terminals.

Fusion Start-Up Plans to Build Its First Power Plant in Virginia

Commonwealth Fusion Systems, an M.I.T. spinoff, aims to generate carbon-free electricity in an industrial park near Richmond in the early 2030s.

How to Repair the Planet? One Answer Might Be Hiding in Plain Sight.

We tend to look at environmental problems in isolation. A holistic approach would be more effective, a new report says.

‘Unfettered’ Gas Exports Would Harm U.S. Economy, Energy Secretary Warns

Jennifer Granholm said a new analysis showed that the continued pace of exports was “neither sustainable nor advisable.”

Biden Administration Is Said to Allow California to Ban New Gas-Powered Cars

California and 11 other states want to halt the sale of new gas-powered cars by 2035. President-elect Donald Trump is expected to try to stop them.

Gas Could Mean Billions for Indigenous People in Canada. Some Fear a Cost.

New export terminals along the rugged Pacific coastline have reignited a generations-old debate over identity and environmental stewardship.

Three Questions From Cutting-Edge Climate Science

An annual gathering of scientists this week offered a glimpse into the latest efforts to answer some of the most intriguing questions about our warming planet.

Ocean Heat Wiped Out Half These Seabirds Around Alaska

About four million common murres were killed by a domino effect of ecosystem changes, and the population is showing no signs of recovery, according to new research.

Trump’s Choice to Run Energy Says Fossil Fuels Are Virtuous

Chris Wright, Donald Trump’s pick for energy secretary, says oil, gas and coal are key to solving global poverty. Some call that misleading.

How the Climate Movement Is Changing Tactics After Trump’s Win

Faced with a president-elect who has called global warming a “scam,” activists are changing their strategies and pushing a message of hope.

Monarch Butterflies Are Recommended for Protected Status

They would become the most commonly seen species to receive federal protection if the proposal is adopted.

As Teenagers, They Protested Trump’s Climate Policy. Now What?

Some young climate activists who were galvanized under Donald Trump’s first presidency are taking a different approach to his second.

Arctic Tundra Has Long Helped Cool Earth. Now, It’s Fueling Warming.

Wildfires and thawing permafrost are causing the region to release more carbon dioxide than its plants remove, probably for the first time in thousands of years.

Here’s How Much Cleaner Energy Could Save America, in Lives and Money

Widespread adoption of heat pumps could prevent thousands of premature deaths and save billions on energy bills, according to a new analysis.

E.P.A. Bans Cancer-Causing Chemicals Used in Dry Cleaning

The two solvents, known as Perc and TCE, cause kidney cancer and other ailments, and have been the subject of years of controversy.

What Kind of Cat Litter Is Best for the Planet?

We’ve got the scoop on traditional clay box fillers and the alternatives.

Three-Quarters of Earth’s Land Got Drier in Recent Decades, U.N. Says

Human-caused global warming helped increase dry conditions on every continent, scientists said in a new report, as talks on halting desertification were underway in Saudi Arabia.

A $400 Billion Clean Energy Program Is Racing to Get Money Out the Door

Some fear Donald Trump could freeze the Energy Department’s loan office, which supports electric vehicles, geothermal, nuclear and other novel technologies.

Their Fertilizer Poisons Farmland. Now, They Want Protection From Lawsuits.

A company controlled by Goldman Sachs is helping to lead a lobbying effort by makers of fertilizer linked to “forever chemicals.”

What to Know About a Landmark Court Case

Judges in The Hague are weighing what, exactly, international law requires countries to do about global warming.

U.S. Defends Climate Accord as Nations Call for Stronger Global Action

In a landmark international hearing on climate change, a U.S. representative backed the Paris Agreement, but left unanswered questions about U.S. commitments in a Trump presidency.

They Were the Last of Their Kind, in Captivity. Can 5 Survive the Wild?

Researchers are trying a new strategy to reintroduce Hawaiian crows, which have been extinct in the wild for two decades.

What Trump’s Cabinet Picks and Advisers Say About Climate Change

President-elect Donald Trump’s chief advisers would include one person who calls global warming an “existential” threat and some who don’t accept it as a problem at all.

Trump Will Have Enormous Power Over Climate Action. Here’s Why.

Presidents have extraordinary control over climate policy, in part, because it’s been decades since Congress has passed a comprehensive environmental bill.

Nations Fail to Reach an Agreement on Plastic Pollution

Talks on the world’s first treaty to tackle plastic pollution will continue in coming months, delegates said.

A Warning From a California Marine Heat Wave

An extreme heat wave off California’s coast seemed like an anomaly 10 years ago. But as the ocean warms, the catastrophe may be a glimpse of the future.

Saudi Arabia Leads Pushback Against Global Plastic Treaty

Delegates from more than 170 countries are working to salvage a treaty that would tackle the growing problem of plastic pollution.

Life After Death: America’s Cemeteries Are Rewilding

More burial sites are forgoing pristine lawns for drought resistant plants and wildflowers that help wildlife. Efforts picked up in the pandemic.

The U.S. Is Building an Early Warning System to Detect Geoengineering

Balloon launches from around the world are part of a new kind of global alarm system: One that can detect if another country tries to dim the sun.

As Plastic Talks Continue, a Reminder of What We’re All Exposed To

As international talks continue this week, a dozen U.N. officials reveal scientists tracked their exposure to many chemicals found in plastics.

Maine Becomes the Latest State to Sue Oil Companies Over Climate Change

In a new lawsuit, the state’s attorney general claims oil companies deceived the public about fossil fuel products’ contributions to climate change.

Inside the Plastic Industry’s Battle to Win Over Hearts and Minds

Documents leaked from an industry group show how plastics companies are pushing back against a “tide of anti-plastic sentiment.”

Saudi Arabia and Russia to U.N.: Don’t Talk About a Fossil Fuel Exit

A handful of oil-producing nations ensured that a United Nations General Assembly resolution on climate change steered clear of a call to transition away from fossil fuels.

Are All These U.N. Climate Talks Doing Any Good?

What the U.N. negotiations, known as COP, can (and can’t) do to combat climate change.

Transforming the Landscape to Help Fight Climate Change

Martha Schwartz Partners works around the globe to take on pollution and warming of the planet.

Meeting the Challenge of Transportation and Climate

For Claudia Adriazola-Steil, the issue of safety, and the goal of lowering emissions and improving access, is deeply personal.

A Climate Policy That Works With the Land

Eriel Tchekwie Deranger works to empower Indigenous peoples to lead the way on climate justice and decolonize environmental policy.

Helping Indigenous People Survive the Destruction of Their Land From Climate Change

Having grown up in Chad, Hindou Oumarou Ibrahim has taken on the cause of negotiating for her community at the international level.

Providing Off-the-Grid Energy, Without the Smoke and Toxins

Sunaina Sinha Haldea heads the board of SFC Energy AG, whose fuel cells are helping to provide continuous and safer power to remote areas.

Taxing Farm Animals’ Farts and Burps? Denmark Gives It a Try.

Cows and pigs produce a large share of planet-warming methane. A new tax is part of a plan to clean that up.

Newsom Challenges Trump on Electric Vehicle Tax Credits

Gov. Gavin Newsom said California would fill the void for residents if the Trump administration killed a $7,500 E.V. tax credit.

Nations at COP29 Climate Summit Agree to Annual $300 Billion Pledge

Delegates from developing countries described the deal’s financial target, $300 billion per year by 2035, as lacking the ambition needed to help their governments combat climate change.

The World Seeks an End to Plastic Pollution at Talks in South Korea

Many nations hope to reduce the half a billion tons of plastic made each year. But pushback from plastic and oil producers, and Donald Trump’s election, could scuttle an agreement.

Climate Talks End With a Bitter Fight and a Deal on Money

The financing plan, which calls for $300 billion per year in support for developing nations, was immediately assailed as inadequate by a string of delegates.

Trump Promised to Halve Energy Costs in 18 Months. Experts Have Doubts.

A president has little control over global oil markets, economists say.

E.P.A. Proposes Limits on Harmful Pollutant From Power Plants

Nitrogen oxides, a group of gases from the burning of fossil fuels, is linked to a range of health effects.

Far From the Climate Talks: The Human Cost of Global Warming in 2024

Every month so far has seen floods, fires, smashed heat records or some combination of extreme weather. Little time remains for leaders to agree on what to do about it.

This Beer Is Made From Sewage. And at the Climate Summit, That’s OK.

The hoppy pilsner from Singapore, where freshwater is scarce, is part of an effort to promote recycling solutions.

How Saudi Arabia Is Stalling Global Climate Talks

Despite endorsing a transition away from fossil fuels last year, Saudi Arabia has since worked to undermine it, diplomats say. Lisa Friedman, a New York Times reporter covering climate policy and politics, describes how the opposition is unlike anything climate negotiators say they’ve seen before.

Landslides Are a Growing Climate Threat. What Do We Know About The Risks?

Deadly landslides are becoming more common and large amounts of rain are a known trigger. An atmospheric river is dumping rain out West. What you should know about your risk.

The Clean Energy Boom in Republican Districts

Trump has said he’ll repeal President Biden’s climate law, but one North Carolina district shows how hard unwinding multibillion-dollar projects could be.

Automakers to Trump: Please Require Us to Sell Electric Vehicles

Donald J. Trump promised to erase Biden tailpipe rules that are designed to get carmakers to produce E.V.s. But Detroit wants to keep them.

Climate Talks Teeter, With Rich and Poor Countries in a Tug of War

Western countries are confronting demands for trillions of dollars to fight climate change and to cope with its worsening effects.

Giraffes, in Steep Decline, Now Need Protection, U.S. Officials Say

A new proposal would restrict the import of hunting trophies, pelts, bone carvings and other items.

Trump Promises Clean Water. Will He Clean Up ‘Forever Chemicals’?

Public health advocates worry that Donald Trump could unravel federal clean water efforts, including restrictions on lead pipes and chemicals known as PFAS.

Inching Toward a Fusion Energy Future

A handful of start-ups are racing to usher in an era of near-limitless fusion energy, but big questions remain.

The Perfect Novel for the Baku Climate Summit

The U.N. climate conference, held in a petrostate, is a surreal moment. This darkly funny novel about Baku, oil companies and climate change in the first Trump term helps make sense of it all.

China’s Soaring Emissions Are Upending Climate Politics

China has now passed Europe in its historical contribution to global warming. Rich nations say the country should contribute more climate aid.

Saudi Arabia Is a ‘Wrecking Ball’ in Global Climate Talks

Despite endorsing a transition away from fossil fuels last year, Saudi officials have since worked to undermine it in at least five U.N. forums, diplomats said.

Climate Talks Head Into the Final Stretch With Negotiators Far Apart

Senior ministers are arriving in an effort to break a deadlock over the summit’s main goal: funding to help lower-income countries hit hard by global warming.

How Can I Be Sure I’m Not Investing in Fossil Fuels?

It’s not that hard, and there’s a bonus: Portfolios without oil and gas have generally performed just as well as the broader market.

A Global Fund for Climate Disasters Is Taking Shape in Trump’s Shadow

The U.N. climate summit in Azerbaijan has cleared the way for aid to flow when lower-income countries are hit.

Trump Picks Gas Executive as Energy Secretary

Chris Wright is a TV-ready evangelist for fossil fuels who lacks government experience.

Democrats Land at Climate Talks With a Message: Don’t Panic

American officials are seeking to assure the world that U.S. climate action won’t end with the return of Donald Trump as president.

Trump Wants to Kill the E.V. Tax Credit. Here’s What to Know.

President-elect Donald J. Trump wants Congress to repeal a $7,500 electric vehicle tax credit. Doing so would hurt American automakers.

Burgum Will Be Trump’s Energy Czar

The North Dakota governor, who helped strengthen ties between the oil industry and President-elect Donald J. Trump, will do double duty as Interior secretary.

Nuclear Power Was Once Shunned at Climate Talks. Now, It’s a Rising Star.

Growing worldwide energy demand and other factors have shifted the calculus, but hurdles still lie ahead.

The Quest to Build a Star on Earth

Start-ups say we’re closer than ever to near-limitless, zero-carbon energy from fusion. When will we get there?

Trump Picks Burgum for Interior Secretary

The North Dakota governor helped strengthen ties between the oil industry and President-elect Donald J. Trump.

Could Trump’s Return Pose a Threat to Climate and Weather Data?

Project 2025, the conservative playbook, calls for breaking up the federal agency that maintains weather data and collects climate change information.

New York Joins a Global City Club, With a Deal on Congestion Pricing

The city will be the first in the U.S. to adopt a fee on driving in certain areas, with the aim of reducing traffic and pollution. For some other cities, that has long been the norm.

A Big Climate Goal Is Getting Farther Out of Reach

A new report forecasts global temperature increases well above the level that world leaders have pledged to avoid.

Climate Summit, in Early Days, Is Already on a ‘Knife Edge’

Negotiators agree that trillions are needed to help lower-income countries adapt and cope, but not on who should pay.

Who’s at the U.N. Climate Summit? Here Are 29 Years of Guests, Visualized.

The U.N.’s annual climate conference has swelled over three decades, with governments, fossil fuel interests and others vying for influence.

‘Fossil Fuels Are Still Winning’: Global Emissions Head for a Record

Countries promised to move away from coal, oil and natural gas at last year’s climate summit. New research shows they’re burning more than ever before.

The Unmistakable Backdrop of COP29

At the U.N. climate conference in Azerbaijan, world leaders are gathered in a petrostate to discuss the uncertain future of global climate policy.

Britain Sets Out to Be a Clean Energy Destination

The prime minister announced more ambitious climate targets, charting a very different course from the United States, which is expected to roll back its energy transition plans.

E.P.A. to Charge Oil Companies First-Ever Methane Fee, but Will It Last?

The Biden administration is imposing a fee on large energy companies that spew excess methane, a potent greenhouse gas. Republicans may be able to repeal it.

Biden Team Tries to Buoy Climate Talks Jolted by ‘Bitterly Disappointing’ Election

Negotiators at the summit in Azerbaijan fear that the return of Donald Trump will sap momentum for global climate action.

How to Raise Trillions to Fight Climate Change, With or Without the U.S.

Low-income countries need at least $1 trillion a year to manage climate change. Donald Trump’s victory just made that more difficult, but options exist.

Trump Chooses Lee Zeldin to Run E.P.A. as He Plans to Gut Climate Rules

The former congressman from New York is a strong supporter of Donald Trump and voted against certifying the 2020 election.

Why Is a Petrostate Holding This Year’s Climate Talks?

The economy of Azerbaijan, host of COP29, relies almost entirely on the fossil fuels that are the main driver of global warming.

Trump’s Return Hangs Over U.N. Climate Negotiations

The election of Donald J. Trump is sapping momentum from global climate talks as diplomats brace for his pro-fossil-fuel agenda.

Biden and Environmental Groups Try to Protect Climate Policies from Trump

John Podesta, President Biden’s clean energy adviser, said agencies were racing to deliver money from the 2022 climate law before Donald Trump arrives.

With Ready Orders and an Energy Czar, Trump Plots Pivot to Fossil Fuels

President-elect Donald J. Trump’s transition team for climate and the environment is considering relocating the E.P.A. out of Washington and other drastic changes.

Biden Administration Restricts Development in West to Protect Sage Grouse

Limits on building energy projects on at least 34.5 million acres could strongly protect the iconic Western bird. But the incoming Trump administration may reverse the rule.

Musk Believes in Global Warming. Trump Doesn’t. Will That Change?

The Tesla billionaire is a key figure in the president-elect’s orbit. One question is whether his views on climate and clean energy will have any sway.

Trump Whiplash Looms Over Global Climate Talks

As the world gathers for U.N. climate negotiations in Azerbaijan next week, here’s what we will be watching.

What Is COP29? Here’s What to Know About Global Climate Talks.

Diplomats and leaders from around the world are gathering for annual climate negotiations. Here’s what they’re all about and what Donald Trump’s victory means for the meeting.

The World Isn’t Spending Nearly Enough to Adapt to Climate Shocks, U.N. Says

A new report, urging rich nations to give more climate aid to poorer ones, comes as Donald Trump’s election throws global climate talks into disarray.

2024 Temperatures Are on Track for a Record High, Researchers Find

The new report also says that global warming has hit a threshold, at least temporarily, that countries had pledged to avoid.

Fighting Climate Change Was ‘Never an America-Only Game’

The head of the World Bank on what comes next after the U.S. election.

U.S. Election Sends Alarming Message for Global Climate Efforts

The Trump victory sets back the world’s attempt to rein in dangerous levels of warming and potentially isolates the United States in the global energy transition.

What Trump’s Victory Means for Climate Change

President-elect Donald J. Trump promised to delete climate policy. He could face pushback from Republicans benefiting from a boom in clean energy.

Warren Washington, Groundbreaking Climate Scientist, Dies at 88

He invented a computer model that made it possible to measure human-induced climate change. He also helped break a color barrier in science.

A Climate-Focused Guide to Election Day

As the nation heads to the polls, here’s a guide to understanding the biggest climate and environmental issues at stake.

Growing Food Instead of Lawns in California Front Yards

Front yards transformed to tiny crop farms in Los Angeles provide vegetables to dozens of families and use a fraction of the water needed by grass.

China Confronts Europe Over Climate-Based Trade Restrictions

Days ahead of the U.N.’s global negotiations on climate change, China and other developing countries said trade restrictions should be part of the talks.

In a Record, All but Two U.S. States Are in Drought

Little rain has fallen since Hurricane Helene dropped huge amounts across the Southeast.

Global Summit on Nature Adopts a Novel Way to Pay for Conservation

Delegates at the U.N. talks created a system that would compensate countries for the use of genetic information but failed to make headway on a broader funding commitment.

How a Trump Win Would Upend Major Climate Court Fights

A second Trump administration could stop defending the E.P.A. against lawsuits attacking its climate policies. Other effects might be more far-reaching.

Richard A. Fineberg, Relentless Skeptic of Alaska Pipeline, Dies at 83

A journalist and an analyst, he was driven to hold oil companies accountable. Earlier, he was on the storied boat Greenpeace when he and others tried to halt a nuclear test.

Biden Won’t Attend This Year’s Climate Summit, White House Officials Say

The president’s senior climate adviser is expected to lead the American delegation at the U.N. talks in Azerbaijan.

How a Year of Rain Fell on Parts of Spain in Eight Hours

The region is no stranger to storms like those that caused this week’s deluges. But global warming helps them pack a bigger punch, scientists said.

Oil Interests Gave More Than $75 Million to Trump PACs, New Analysis Shows

Oil moguls are big donors to Donald Trump. But so are engineering firms, hedge fund managers, shipbuilders and others that profit from fossil fuels.

What Trump’s Environmental Record Says About a Second Term

Mr. Trump and his allies envision a second term that would try to permanently eliminate protections for air, water and climate.

Protecting Nature, With the U.S. on the Sidelines

As the world gathers this week for U.N. biodiversity negotiations, the U.S. hasn’t ratified a decades-old treaty to protect nature.

How a Tiny Panel, Up for Election, Could Steer Arizona Away From Clean Power

The vote, in a sunny state with huge solar potential, reflects a growing nationwide fight over America’s energy transition.

Climate Change Is Making Disasters Deadlier. Here’s How Much.

More than half a million people were killed in 10 disasters that climate change worsened, according to a new report.

Clean Energy Is Booming in the U.S. The Election Could Change That.

Trump has suggested he would dismantle the Inflation Reduction Act, which has reshaped America’s energy landscape. It won’t be easy.

Trump’s Environmental Claims Ignore Decades of Climate Science

The former president says he wants “clean air and clean water,” but he has rolled back environmental rules and dismissed the scientific consensus on climate change.

In a Decisive Election, a Jewish Group Focuses on Climate Voters

Dayenu, a nonprofit group, is mobilizing Jews around a threat that organizers warn every walk of life on earth must confront: climate change.

E.P.A., Just Rebounding From Trump Years, Faces an Uncertain Future

Perhaps more than any other federal agency, the one responsible for protecting air, water and public health is a target for Donald Trump and his allies.

How Bad Are Gas Stoves for My Health?

They emit harmful pollutants, which makes good ventilation crucial.

How Are the World’s Trees Doing? A New Assessment Has Answers.

They play an essential role in supporting life on Earth, but many species are in decline, researchers found.

A Pivotal Choice: Trump vs. Harris on Climate Change

Kamala Harris calls global warming an “existential threat.” Donald Trump dismisses it as a “scam.”

Free Electricity, Anyone? Britain Tries New Tricks to Green Its Grid.

A utility sends phone alerts when wind power is cheap. A builder sells “zero bill” houses. They’re among several experiments to redefine how people value electricity.

Can 70 Moms Save a Species?

Here’s the story of Squilla, a rare North Atlantic right whale mother, and her firstborn. To help their species continue, they’d have to navigate an increasingly dangerous ocean.

Many Wells in North Carolina Remain Unsafe After Helene’s Deluge

A third of state residents use private wells, and about four out of 10 wells tested after Hurricane Helene weren’t safe, highlighting the risks of extreme weather for millions of Americans.

Wildfires in the West Aren’t Just Getting Bigger. They’re Faster, Too.

In recent decades, fast-growing blazes were responsible for an outsize share of fire-related devastation, scientists found using satellite data.

Can Biological Engineering Change the World?

Altering the DNA of living organisms could be an early step in re-engineering the natural world to help curb climate change.

The U.N.’s Verdict on Climate Progress Over the Past Year: There Was None

An annual assessment by the world body tracks the gulf between what countries have vowed to do and what they’ve actually achieved.

E.P.A. Toughens Requirements to Remove Lead Paint Dust Around Children

The new rules consider any detectable level of lead dust in a building a “lead hazard,” requiring property owners to pay for cleanup.

Inside the Effort to Change How Seeds Grow

Much of the food we eat is grown with synthetic fertilizer, which is a huge source of climate change. But now, a seed with DNA-modified bacteria is reducing the amount of synthetic fertilizer that farmers have to apply to their fields. Eric Lipton, an investigative reporter for The New York Times, explains.

Changing the DNA of Living Things to Fight Climate Change

By tweaking the DNA of bacteria, scientists aim to cut the use of chemical fertilizers that are worsening global warming. Some worry about unintended consequences.

The A.I. Power Grab

Big tech companies say A.I. can help solve climate change, even as it’s driving up their emissions and raising doubts about their climate goals.

Russia’s Warming Arctic Is a Climate Threat. War Has Shut Scientists Out of It.

Climate science has been stymied as Russia continues its war in Ukraine. The stalled work threatens to leave the West without a clear picture of how fast the Earth is heating up.

A Major Push to Protect Nature Is Happening Now

Delegates from around the world are meeting in Colombia in what is expected to be the biggest U.N. biodiversity conference in history.

Scientists Are Mapping Landslide Risk in Alaska. Some Homeowners Don’t Want to Know.

Deadly landslides are increasing around the world. But in parts of Alaska, maps of the hazards remain controversial.

How Can I Slash Halloween Waste?

We’ve got tips to make the holiday more sustainable, and maybe more fun, too.

A ‘New Day’? Justices Step Back, Slightly, From an Aggressive Climate Stance.

The Supreme Court’s decision to not temporarily block an E.P.A. rule this week signals ‘rising influence’ of Justice Barrett, one analyst said.

Much of the Emerald Isle Is an Ecological Desert. He’s Trying to Change That.

Eoghan Daltun rewilded his land in West Cork and wants more of Ireland to do the same.

How Times Readers Made the Switch to Heat Pumps

Hundreds of Times readers wrote to us and shared their experiences of installing heat pumps, including the good, the bad and the daunting.

The World’s Carbon Sinks Are on Fire

Carbon emissions from forest fires increased more than 60 percent globally over the past two decades, according to a new study.

Water Crises Threaten the World’s Ability to Eat, Studies Show

Food production is concentrated in too few countries, many of which face water shortages, the researchers said.

These Scientists Tested Dolphin Breath. They Found Plastic.

Researchers studying bottlenose dolphins found polyester and other plastics in every animal they tested.

A Fading Tree, Once Majestic, Had to Come Down. But It Wasn’t the End.

A beloved sugar maple slowly succumbed to disease. Today, it lives on in a new form.

Global Electricity Demand Is Rising Faster Than Expected, I.E.A. Says

A surge in power use worldwide could make it harder for nations to slash emissions and keep global warming in check.

A Climate Resistant Community Passed Two Hurricane Tests

On the west coast of Florida, a town built to weather hurricanes hosted more than 2,000 people during Hurricane Milton. Could communities like this help shape Florida’s future?

The Flood-Protection Rule That Trump Rolled Back

A Trump-era rollback of flood-protection rules has left critical infrastructure projects at higher risk, experts say.

How Climate Disasters Are Making Mobile Homes a Huge Risk

Millions of Americans, many poor and vulnerable, live in mobile and manufactured homes. When catastrophe strikes, they’re often on their own.

California Tries ‘Trump-Proofing’ Its Climate Policies

A second Trump administration would be expected to shred climate policies. California officials are devising ways to insulate its environmental regulations.

How Global Warming Made Hurricane Milton More Intense and Destructive

Greenhouse gas emissions added rain, intensified winds and doubled the storm’s potential property damage, scientists estimated.

Hurricane Milton spawned dozens of tornadoes, one of them deadly.

Tornadoes can start in the outer edges of hurricanes. Hurricane Milton spawned more than usual.

Will Climate Change Transform the Florida Dream?

Millions of Americans have moved to the Sunshine State over the last several decades, only to see Florida’s future collide with climate change.

Oregon Gas Utility Is Sued Over Global Warming Deception

The lawsuit alleges that the utility knew of the dangers of burning fossil fuels and misled its customers.

Here’s What a Shocking New Number on Wildlife Declines Really Means

The results from an important ongoing assessment look grim. But the survey is often misunderstood.

Can Your Electric Vehicle Catch Fire During a Hurricane?

E.V. batteries that are submerged in saltwater can catch fire after the floods subside, but experts say it’s a rarity.

Global Warming Made Helene More Menacing, Researchers Say

In cooler times, a similarly rare storm over the Southeast would have delivered less rain and weaker winds, a team of scientists concluded in an analysis.

In High Mountain Alaska, a Glacier’s Deep Secret Is Revealed at Last

A famed explorer was sure the ice hid something profound. Ninety years later, scientists have put forth the strongest evidence yet that he was right.

When a Television Meteorologist Breaks Down on Air and Admits Fear

John Morales, who has forecast weather for decades, went viral after choking up on air while discussing Hurricane Milton.

Our Planet’s Twin Crises

In her last newsletter for the Times, a Climate Forward reporter reflects on the intertwined problems of climate change and biodiversity loss.

Record Hot Water Is Fueling Hurricane Milton

Milton grew into a Category 5 hurricane in less than a day as it crossed warm oceans across the Gulf of Mexico.

Does My Home Have Lead Pipes? And What Can I Do About Them?

New rules will require utilities to replace lead pipes nationwide. That will take time, but you can protect yourself by taking these steps.

Biden Requires Lead Drinking-Water Pipes to be Replaced Nationwide

The “historic” rule aims to eliminate a major source of lead poisoning and comes a decade after a drinking-water crisis in Flint, Mich.

See the Ocean Heat Fueling Hurricane Milton, in One Chart

The waters of the Atlantic Ocean have been abnormally warm, providing copious amounts of energy that can intensify storms.

As Major Hurricane Approaches Florida, FEMA Faces Severe Staffing Shortage

Fewer than 10 percent of the agency’s disaster workers are available to respond to Hurricane Milton and other calamities.

How Can I Get ‘Forever Chemicals’ Out of My Life?

They’re almost everywhere. And they’re bad. But there are some things you can do to avoid them.

Hit by Disaster? How to Get What You Deserve From Insurers or FEMA

Experts offered plenty of advice about ways to make the disaster-recovery process work. Here’s what to do and what to avoid.

The Climate Fix: Solutions for a Warming World

In a new weekly feature of our Climate Forward newsletter, we’re covering the vast amount of investment, ingenuity and scientific expertise that are going toward stopping climate change.

The Climate Fix: Solutions for a Warming World

In our new weekly series, we’re covering the vast amount of investment, ingenuity and scientific expertise going toward stopping climate change.

Helene Knocked Out a Key Facility for Monitoring the Global Climate

The National Centers for Environmental Information in Asheville, N.C., sweep together data from around the world to help track Earth’s warming.

How the North Carolina Legislature Left Homes Vulnerable to Helene

Under pressure to control housing costs, Republican lawmakers rejected standards meant to protect against disasters, experts say.

An ‘Elegant’ Idea Could Pay Billions to Protect Trees

Brazil is proposing a fund that would pay countries to protect tropical forests that are crucial to curbing climate change. It would generate returns, too.

Hidden in Midwestern Cornfields, Tiny Edens Bloom

Farmers in the heartland are restoring swaths of the prairie with government help. The aim is to reduce nutrient runoff from cropland, and help birds and bees.

A Shift Among Democrats: Embrace Record Levels of Oil and Gas

Tim Walz said climate change is real, but boasted about high U.S. levels of oil and gas production. JD Vance called climate change “weird science.”

After Helene, Lawyers Gear Up for Battles Over Who Should Pay

As storms intensify, so do the legal clashes with insurers, aid agencies and others over compensation, rebuilding and even scams.

‘Climate Havens’ Don’t Exist

The worst damage from Hurricane Helene came in areas that were expected to be relatively immune to the effects of climate change.

Why Restoring Power After Helene Is Complicated

Damage went beyond downed power lines. Hundreds of substations went out after the storm. Getting them back online is difficult.

How Helene Wrought So Much Havoc, So Far From the Coasts

Hurricanes typically weaken over land. But if the ground is already wet from earlier rains, storms can receive an extra jolt that keeps them churning.

Britain Shuts Down Last Coal Plant, ‘Turning Its Back on Coal Forever’

The Ratcliffe-on-Soar plant was the last surviving coal-burning power station in a country that birthed the Industrial Revolution and fed it with coal.

Around the World, Diplomats Gird for a Trump Assault on Climate Action

Some leaders insist that the global clean energy transition will happen with or without the United States.

Where Americans Have Been Moving Into Disaster-Prone Areas

As Americans have flocked south and west, more people have been exposed to the risk of hazards like hurricanes, floods, wildfires and dangerous heat.

U.S. Approves Billions in Aid to Restart Michigan Nuclear Plant

No one has ever restarted an American nuclear reactor that was seemingly closed for good. But with electricity demand spiking, interest is growing.

Power and Communication Outages Hamper Assessment of Landslides

With communication lines down in the mountains amid Helene, early reports were unclear about how many landslides had occurred and the extent of damage from the storm.

Extreme Weather Is Taxing Utilities More Often. Can A.I. Help?

From hurricanes to wildfires, a new generation of technologies could help utilities better plan for the risk of extreme weather to their electric grid.

Along Helene’s destructive path, fewer homeowners have flood insurance.

Helene Could Expose Deeper Flaws in Florida’s Insurance Market

Catastrophic storms have crippled the state’s home insurance market in the past, and some researchers say it is dangerously vulnerable.

An Oil C.E.O. Answers Our Questions

The Times hosted leaders and policymakers to talk about growing threats of climate change, and spoke with the C.E.O. of Occidental Petroleum.

Parts of Appalachia are under landslide warnings as Helene brings flooding.

Catastrophic flooding is forecast in mountain areas and significant landslides are possible through Friday in parts of the Carolinas, Tennessee and Georgia.

Conspiracy Theorists and Vaccine Skeptics Have a New Target: Geoengineering

Around the country, people with a deep distrust of government want to preemptively ban the use of aerosols to reduce heat from the sun.

Oil company CEO calls climate change ‘a crisis’ and defends carbon capture investments.

Protesters briefly disrupt a discussion with an oil company executive.

Muhammad Yunus, Bangladesh’s interim leader, calls for global reforms.

Roy Cooper thinks Republicans can be brought on board with climate action.

The outgoing North Carolina governor said that making the business case is key to building political coalitions that can reduce emissions.

At 90, Jane Goodall still finds hope in the ‘indomitable human spirit.’

Rivian’s CEO says electric vehicles shouldn’t be a partisan issue.

The president of Guyana, a nation with lush rainforests and rich oil deposits, grapples with the effects of pollution.

At Climate Forward Event, an Architect of Project 2025 Dismisses Global Warming

At a New York Times Climate Forward event, Kevin D. Roberts said climate change amounted to a “hot year.”

Can companies make climate progress while selling more stuff?

The chief executives of Ikea and Patagonia both want to lower humanity’s carbon output, but they have different approaches to doing it.

Silicon Valley Renegades Pollute the Sky to Save the Planet

Some restless entrepreneurs are releasing pollutants in the sky to try to cool the planet.

President Biden’s climate adviser: The U.S. will meet its 2030 goals.

Here’s today’s schedule.

A day of discussion about the threats of climate change.

Taking on Food Emissions at Their Origin and Consumption

Andy Jarvis, Bruce Friedrich, Will Harris and Katie Cantrell are part of a group focused on food who are leading conversations at the Times’s Climate Forward Changemaker Lunch.

Pontevedra, a Spanish City That Picked Pedestrians Over Cars

For over two decades the city’s mayor has reclaimed public space for people and limited vehicles in the city center, which reduced traffic and improved air quality.

When Electrification has Power Beyond Its Climate Benefits

Jamal Lewis and Aloja Airewele are part of a group focused on electrification. They are leading conversations at the Times’s Climate Forward Changemaker Lunch.

As Global Temperatures Rise, Nigeria Faces a Cooling Crisis

With electricity scarce, Africa’s most populated country struggles to provide lifesaving cooling without worsening the very crisis causing the heat.

A Next Generation Approach to Heating and Cooling Buildings

A fifth-generation network at the Bankside Yards project in London offers new possibilities for the pace of decarbonization in the United Kingdom and elsewhere.

What if Everyone Did Something to Slow Climate Change?

Researchers are looking at the impact that individuals’ actions can have on reducing carbon emissions — and the best ways to get people to adopt them.

Confronting Our New Reality

Solutions to the problem of climate change have never been more clear. But the scale of the problem keeps getting bigger.

Study Finds Climate Change Doubled Likelihood of Recent European Floods

Storm Boris dumped record amounts of rain over Central and Eastern Europe this month. A new study found climate change made the deluge more likely.

Biden Boasts of Climate Wins and Warns of Reversals Under Trump

At an event in New York, the president said federal investments in climate action would be at risk if former President Donald J. Trump retook the White House.

Send Us Your Questions About Climate Change

What should The Times ask change experts, world leaders and policymakers at its Climate Forward conference on Sept. 25?

California Sues Exxon Over Plastics Pollution and Recycling ‘Myth’

The lawsuit, seeking ‘multiple billions of dollars,’ opens a new front in the legal battles with oil and gas companies over climate and environmental issues.

The World Is a Mess. That Makes the Climate Crisis Harder to Solve.

A transformed China, conflicts in Ukraine and elsewhere, and intractable clashes over money have pushed the prospects of progress to a new low.

Should I Get a Hybrid or Go Full Electric?

Here’s what to know if you’re in the market for a climate-friendly vehicle.

They’ve Got a Plan to Fight Global Warming. It Could Alter the Oceans.

By tweaking the chemistry of rivers and oceans, humans could remove billions of tons of carbon dioxide from the air. But huge challenges loom.

What We Know (and Don’t Know) About ‘Forever Chemicals’ in Food

There’s a growing understanding of the health threats of PFAS chemicals in what we eat and drink.

Our Taste for Flesh Has Exhausted the Earth

Are we ready for the future of meat?

Her Children Were Sick. Was It ‘Forever Chemicals’ on the Family Farm?

Pastures were fertilized with toxic sewage decades ago. Nobody knew, until the cows’ milk was tested.

Three Mile Island Plans to Reopen as Demand for Nuclear Power Grows

The infamous plant, closed since 2019, is getting a new lease on life after Microsoft agreed to buy its electricity to supply a growing fleet of data centers.

Prehistoric Earth Was Very Hot. That Offers Clues About Future Earth.

At times during the past half-billion years, carbon dioxide warmed our planet more than previously thought, according to a new reconstruction of Earth’s deep past.

What’s the True Price of a School Lunch?

An emerging body of research aims to put dollar figures on the environmental costs of foods we eat every day.

Asphalt Schoolyards Get a Shady Makeover

Schools across the country are adding trees, tent-like structures and water to their playgrounds as temperatures soar.

The Hidden Environmental Costs of Food

Damage to the natural world isn’t factored into the price of food. But some governments are experimenting with a new way of exposing the larger costs of what we eat.

‘Red Flags’ on Climate: U.S. Methane Emissions Keep Climbing

Satellite data shows the U.S. releasing more and more of the potent greenhouse gas into the atmosphere, researchers said, despite pledges to cut back.

Tyson Faces Lawsuit Over Labeling of ‘Climate-Smart’ Beef

An environmental group said the company, a major food producer, was misleading shoppers with its claims about eco-friendly practices.

Floods Wreak Havoc Across Four Continents

Flooding events around the world share a common factor of an atmosphere made warmer by climate change. What can be done to help citizens prepare?

How Colorado Cowboys and Conservationists Joined Forces to Stop Drilling

The members of a self-described ragtag group had little in common, but their campaign could serve as model for future environmental efforts.

Flooding in Europe Is a ‘Clear Reminder’ of the Threat of Extreme Weather

Climate change is influencing extreme weather events like the flooding across six countries that has led to mass evacuations of cities as the waters continue to rise.

The Fires That Could Reshape the Amazon

Vast, diverse parts of Brazil are burning at the same time, forcing officials to rethink how to protect crucial ecosystems like the Amazon.

Join the Times’s Climate Event With Jane Goodall, Al Roker and Others

Sign up to watch the livestream of the Climate Forward conference on Wednesday, Sept. 25.

The Big City Is Vibrant. Birds There Might Be Getting Less So.

Recent studies show that certain feather pigments can help neutralize toxic pollution. It means darker, duller birds could have a survival advantage.

U.K. to Fund ‘Small-Scale’ Outdoor Geoengineering Tests

As climate change continues unabated, the goal is to examine technologies that could artificially cool the Earth “responsibly and ethically.”

Climate Lawsuits Are Exploding. Are Homicide Charges Next?

The courts have become one of the most important battlegrounds in the fight over planet-warming emissions. Here are prominent cases to watch.

Is Inequality the Key to the Climate Change Debate?

In his new book, the economist Thomas Piketty argues that the world can’t stop climate change without addressing issues of inequality.

New Look at Landslide Potential Shows 44% of U.S. Is at Risk

A new federal database helps users determine the likelihood of their community experiencing a landslide.

Youth Group Asks Supreme Court to Revive a Landmark Climate Lawsuit

The case argues the government violated young people’s constitutional rights by failing to curb the use of fossil fuels. A lower court had thrown it out.

Researchers mapped the sites in Francine’s path that risk flooding and toxic spills.

How climate change is transforming hurricanes.

Scientists are confident that the warming of the planet is affecting how storms behave.

Climate at the Debate: Trump Ignored the Question and Harris Hedged

Vice President Kamala Harris nodded to the urgency of climate change but also highlighted the country’s record levels of oil and gas production.

Those Keurig Coffee Pods? They’re Not So Recyclable, the S.E.C. Says.

The agency said Keurig, in its financial filings, had claimed its pods could be “effectively recycled” but didn’t note that two big recycling companies wouldn’t accept them.

Prolonged hot temperatures make fighting California wildfires more difficult.

5 Climate Questions for the Candidates Ahead of the Presidential Debate

Here’s what the Times climate team would ask Harris and Trump about climate change, energy policy and the environment.

Colombia Is the Deadliest Country for Environmental Activists, Report Finds

As Colombia prepares to host a global biodiversity summit, killings of environmental defenders in the country rose again last year, according to a new report.

7 Takeaways From the Seemingly Endless Fire Season

While the Line fire burns in Southern California, what can we learn from how a changing climate has affected an expanding fire season?

Green Washing, Not Greenwashing: What’s the Best Way to Do Laundry?

The suds that go down the drain can be harmful to wildlife. We’ve got tips on how to clean clothes and support nature.

They’re Sizing Up Earth’s Lungs. It Takes Tape Measures and Tree Climbing.

A small team in a remote corner of Colombia is surveying every tree in an effort to better understand how much planet-warming carbon the Amazon actually stores.

It’s Been the Hottest Summer on Record, European Officials Say

The excessive heat worldwide suggests the full year will also be a record-breaker, according to Copernicus, the E.U. agency that tracks global warming.

The Electric Vehicle Future Is Coming. Just a Little More Slowly.

Though large automakers are delaying their plans to introduce new all-electric models, the E.V. industry is still the future, experts say.

U.S. Election Looms Over Climate Talks With China

Experts believe the outcome of the race for the White House could determine how ambitious China’s climate efforts will be.

Surprising New Research Links Infant Mortality to Crashing Bat Populations

Without bats to eat insects, farmers turned to more pesticides, a study found. That appears to have increased infant deaths.

Solar Farms Have a Superpower Beyond Clean Energy

The sites fight climate change and can help with another global crisis: the collapse of nature. But so far, efforts to nurture wildlife habitat have been spotty.

Climate Change Is Making ‘Last Chance Tourism’ More Popular, and Riskier

More tourists are eager to visit vanishing glaciers and ice caves, but warming is also making the sites unstable.

A Heat Pump Can Cut Your Emissions. But Read This Before You Switch.

A Times climate reporter recounts his journey to switch his home’s HVAC system to a climate-friendly heat pump.

Biden’s Top Climate Negotiator to Visit China This Week

John Podesta is expected to push for China to set more ambitious greenhouse gas targets.

Climate Change Can Cause Bridges to ‘Fall Apart Like Tinkertoys,’ Experts Say

Extreme heat and flooding are accelerating the deterioration of bridges, engineers say, posing a quiet but growing threat.

5 Takeaways From Our Reporting on Toxic Sludge Fertilizer

The Times dug into the widespread use of sewage sludge as fertilizer, which is sometimes heavily contaminated by “forever chemicals.”

Something’s Poisoning America’s Land. Farmers Fear ‘Forever Chemicals.’

Fertilizer made from city sewage has been spread on millions of acres of farmland for decades. Scientists say it can contain high levels of the toxic substance.

Business Group Sues Texas Officials Over Law That Shields Oil Industry

The suit challenges a measure that prohibits state entities like retirement funds from doing business with firms that “boycott energy companies.”

Turbine Blades Have Piled Up in Landfills. A Solution May Be Coming.

Wind power has a waste problem that has been difficult to solve. Turbine blades made from a new plant-based material could make them recyclable.

Colorado to Relocate Gray Wolves After Reports of Livestock Attacks

The plan, which comes less than a year after the wolves were released in the area, is potentially a setback for the state’s ambitious reintroduction program, experts say.

Climate-Friendly Meat? Regulators Tighten Scrutiny of Label Buzzwords.

The new guidelines from the Agriculture Department encourage third-party assessments of environment-related claims, which have come under fire.

Climate Change Comes to the Tetons

In one of North America’s most stunning mountain ranges, melting glaciers and warmer temperatures are raising fears of ecological tipping points.

These Architects Embrace Local Styles. And They Fly to Work, Too.

Sparrow weavers in Africa appear to learn distinct building styles that reflect group traditions, research shows. It raises intriguing questions about avian intelligence.

Life After Factory Farming: ‘The Longer They’re Out, the Happier They Are.’

Tyler Whitley works with a group that helps farmers leave industrialized livestock agriculture, and says consumers can play a role.

Canada’s Wildfires Were a Top Global Emitter Last Year, Study Says

The blazes produced more planet-warming carbon than almost any country, researchers found. That could upend key calculations on the pace of global warming.

Heat Deaths Have Doubled in the U.S. in Recent Decades, Study Finds

The finding comes as a late-August heat wave bears down on a significant part of the country.

How R.F.K. Jr. Went From Environmental Champion to Trump Backer

Kennedy’s former co-workers in the environmental movement aren’t surprised that he endorsed Trump, who has called climate change a “hoax.”

Kennedy Says Trump Will ‘Make Americans Healthy.’ His Record Suggests Otherwise.

As president, Donald J. Trump slashed protections for clean air and water and weakened school nutrition standards.

Deadly Landslide Strikes Ketchikan, Alaska

The disaster killed one person and injured three in the town. Researchers said heavy rains preceding the disaster may have played a role.

Hungry for Clean Energy, Facebook Looks to a New Type of Geothermal

As electricity demand from data centers soars, Meta and Google are looking at a novel solution: harnessing clean heat far below Earth’s surface.

Will A.I. Ruin the Planet or Save the Planet?

It’s a notorious energy hog. But artificial intelligence can also foster innovation and discovery, and it could speed the global transition to cleaner power.

Judge Blocks E.P.A. From Using Civil Rights Law in Pollution Case

The decision is a setback for a Biden administration strategy for protecting minority communities with numerous polluting industries nearby.

Drinking Water Is at Risk in Parts of Long Island, Study Finds

Decades of pumping have allowed saltwater to threaten the aquifers that supply many communities, including Long Beach and Great Neck.

Harris’s New Strategy: Equate Fighting Climate Change With ‘Freedom’

The Harris campaign isn’t offering details on climate policy but is framing the fight to protect the environment as one of patriotism.

Peter Dykstra, Pioneering CNN Climate Journalist, Dies at 67

A former Greenpeace official, he drew on his command of environmental subjects to persuade his bosses at the cable channel to cover climate issues.

Climate Workers Wanted

A group of federal programs is aimed at helping America’s work force adapt to climate change.

Counting All the Fish in the Sea May Be Even Trickier Than Scientists Thought

A new study suggests that estimates of the health of the world’s fisheries may be too optimistic.

Many Climate Policies Struggle to Cut Emissions, Study Finds

The most effective ones tend to combine several emissions-cutting strategies, not a stand-alone approach, according to an examination of 1,500 policies globally.

‘Worst-Case’ Disaster for Antarctic Ice Looks Less Likely, Study Finds

Global warming is putting the continent’s ice at risk of destruction in many forms. But one especially calamitous scenario might be a less pressing concern, a new study found.

Harris Goes Light on Climate Policy. Green Leaders Are OK With That.

President Biden made climate change a cornerstone of his agenda. Vice President Kamala Harris has yet to detail her own plan.

Can Democrats Make the Case to Climate Voters?

In another year of record-breaking temperatures, Democrats are faced with the challenge of making climate change resonate with voters.

Greenpeace Tries a Novel Tactic in Lawsuit Over Dakota Access Pipeline

The environmental group, which is being sued by the pipeline company in North Dakota, threatened to use new European rules to try to limit potential damages.

New York City’s Trees Work Hard. Still, They Could Use a Little Help.

A chemical reaction involving emissions from cars and buildings can negate their environmental benefits. New research shows what big cities can do about it.

The Other 2024 Races with Big Climate Stakes

Outside of the presidential election, a number of down-ballot races, including Senate and state contests, could have an impact on climate policy.

Wind Beat Coal Two Months in a Row for U.S. Electricity Generation

The shift occurred as the cost of wind power and other renewable energy is rapidly declining and coal is being pushed out by natural gas.

Meet a Family That’s Betting the Farm on a Wild Idea. Literally.

After decades raising hogs in Iowa, they wanted a way out of factory farming. Their solution was a return to nature, and a lot of mushrooms.

How Extreme Heat Is Threatening Education Progress Worldwide

Children today face many more extreme weather hazards that can undermine global gains in education.

Deadly Landslides in India Made Worse by Climate Change, Study Finds

Extreme rainfall made 10 percent heavier by human-caused climate change triggered landslides that killed hundreds, according to a new study.

Lessons From a Burning Forest

Canada’s boreal forests are burning faster than they can regrow, but controlled fires may be one of the best ways to protect local communities.

9 Things Musk and Trump Said About Climate Change, Annotated

In a conversation on X, Donald J. Trump and Elon Musk spoke for a bit about climate change. Here’s what they got wrong and what they got right.

Parts of Canada’s Boreal Forest Are Burning Faster Than They Can Regrow

The delicate balance of one of the planet’s largest natural systems for storing carbon depends on the humble black spruce tree.

Heat Contributed to 47,000 Deaths in Europe Last Year, but Relief Programs Helped

A new study shows how deadly warming can be, and how behavioral and social changes can reduce mortality.

Do Countertop Compost Machines Really Work?

We’ve got the dirt on what the devices actually do, and what they don’t.

How Close Are the Planet’s Climate Tipping Points?

Earth’s warming could trigger sweeping changes in the natural world that would be hard, if not impossible, to reverse.

Can Dirt Clean the Climate?

An Australian start-up is hoping fungi can pull carbon dioxide from the air and stash it underground. It’s one of several ventures trying to deploy the superpowers of soil to slow global warming.

Rising Waters From Tropical Storm Debby Put North Carolina Waste Sites at Risk

Tropical Storm Debby brought intense rainfall and flooding threats to North Carolina this week, highlighting the vulnerability of hog lagoons and wastewater treatment plants.

NOAA Forecasts Highly Active Hurricane Season Will Continue

The agency’s new forecast predicts that as many as 24 named tropical storms could form between June 1 and Nov. 30.

Tropical Storm Debby Highlights the Southeast’s Climate Vulnerabilities

The region faces a confluence of factors, including the fastest sea level rise in the country, increasingly humid temperatures and extreme rainfall.

Where (and How) Americans Are Taking Advantage of Clean Energy Tax Credits

Households claimed more than $8 billion in climate-friendly tax credits last year, according to new data. Here’s who benefited and where.

2024 on Track to Be the Hottest Year on Record

Last month was slightly less hot than the record-breaking July 2023, but the year is still likely to be the hottest ever, according to European climate scientists.

Warm Air and Warm Oceans Power Storms Like Debby

The heating of the planet is increasing the amount of moisture in the atmosphere. That helps to load hurricanes and other storms with more water.

Heat Raises Fears of ‘Demise’ for Great Barrier Reef Within a Generation

A new study found that temperatures in the Coral Sea have reached their highest levels in at least four centuries.

Tim Walz’s Big Climate Ambitions

Minnesota’s governor, Vice President Harris’s new running mate, has put forth one of the most ambitious climate agendas in the country.

Hurricane Scale Alone Can’t Account for a Storm’s Destruction

Tropical Storm Debby was only briefly a Category 1 hurricane. But a rating can never fully capture how destructive a storm can be.

E.P.A. Pulls From the Market a Weedkiller Harmful to Fetuses

The herbicide, used widely on crops including broccoli and onions, can cause low birth weight and impaired brain development, regulators said.

Tim Walz Has Championed Climate as Governor

Kamala Harris’s V.P. pick, known for his folksy persona and rural Midwestern roots, has elevated the issue of climate change in his state.

How Does Your State Make Electricity?

There’s been a big shift in how America produces power. Each state has its own story.

Inside the Petrostate Hosting This Year’s Global Climate Negotiations

In Azerbaijan, the causes and effects of climate change are on vivid display and the painful trade-offs needed to fight it are acutely felt.

At a Mountain Retreat, Wine, Lamb Kebabs and Lots of Climate Talk

Azerbaijan last week convened a special meeting of climate diplomats at a remote resort. A Times reporter was there.

Inside the Petrostate Hosting This Year’s Global Climate Negotiations

In Azerbaijan, the causes and effects of climate change are on vivid display and the painful trade-offs needed to fight it are acutely felt.

Meet the Scientist Who Wants to Alter Earth’s Atmosphere

Critics say even researching the idea is dangerous.

Where Potential Democratic V.P. Candidates Stand on Climate

Possible contenders to join the Harris ticket include three governors, a senator concerned by extreme heat and drought, and the current Transportation Secretary.

This Scientist Has a Risky Plan to Cool Earth. There’s Growing Interest.

David Keith wants to spray a pollutant into the sky to block some sunlight. He says the benefits would outweigh the danger.

Underwater Robot Reveals ‘Enigmatic’ Shapes on the Bottom of Antarctic Ice

The new images of the melting underside of an ice shelf could help scientists better forecast how the continent is contributing to rising sea levels.

‘Earthalujah!’: A Rebel ‘Pastor’ Preaches for the Planet

As part of its crusade against consumerism, an unorthodox New York church urges action to preserve the Earth.

Understanding the New Era of Fire

Wildfires, driven by climate change, have become more intense and frequent, but scientists are still trying to understand larger patterns.

Robots Are Coming, and They’re on a Mission: Install Solar Panels

Energy companies say a labor shortage is one big obstacle to installing more solar power. They’re turning to machines to speed things up.

How Did the Park Fire Get So Big, So Fast?

The blaze, now the fifth-largest in state history, has been fed by exceptionally dry vegetation following more than a month of extreme heat in California.

How a Crisis for Vultures Led to a Human Disaster: Half a Million Deaths

The birds were accidentally poisoned in India. New research on what happened next shows how wildlife collapse can be deadly for people.

Electric Cars Help the Climate. But Are They Good Value?

They can be, but it depends on your driving habits. We break it down for you.

A Canadian Wildfire Grew So Intense It Made Its Own Weather

Blazes that generate such stormy conditions can be nearly impossible to put out and pose special dangers to firefighters.

Can Fees on Polluting Cars Clean the Air? London Has New Evidence.

The city’s expanded low-emissions zone, which was politically fraught, has cut emissions that contribute to health problems like asthma, new numbers show.

Ask NYT Climate

Your climate change and environment questions answered by Times journalists and experts.

A Test for Harris: How to Talk About the Green New Deal

In the Senate, Kamala Harris backed an expansive climate plan. Young activists want her to embrace it again, but so do Republicans.

Western Wildfire Smoke Reaches the East Coast

Wildfire smoke from the Western United States and Canada is blowing across the Northeast, lowering air quality and endangering vulnerable populations.

Earth’s Hottest Days Ever

Twice this week, global temperatures broke records, but scientists are more concerned about a longer-term pattern of hotter weather.

Bats Were Already Struggling. Now They’re Selling on EBay.

Online sales appear to be compounding threats from climate change and habitat loss, according to new research.

Where Do Harris’s Potential Running Mates Stand on Climate?

Possible contenders to join the Harris ticket include three governors who welcome clean energy and a senator concerned by extreme heat and drought.

The E.P.A. Moves Toward Regulating a Widely Used, Dangerous Chemical

Vinyl chloride, used to make things like PVC pipes and packaging, is also toxic and highly flammable, and was at the center of a major train disaster in Ohio last year.

Planet Sets Record for Hottest Day Twice in a Row

Researchers with the European Union’s Copernicus Climate Change Service said Sunday was Earth’s hottest day. Then it happened again on Monday.

Looking From Space, Researchers Find Pollution Spiking Near E-Commerce Hubs

Research showed truck-related releases of nitrogen dioxide, which can cause asthma, concentrated around some 150,000 warehouses nationwide.

Can Kamala Harris Finish Biden’s Climate Agenda?

If elected to the White House, Vice President Harris will face the challenge of implementing President Biden’s signature climate policies.

Between Attacks on Electric Cars, Trump Says They’re ‘Incredible’

The former president’s comments on E.V.s have shifted since he has grown more friendly with Elon Musk, the billionaire head of Tesla.

Here’s Where Kamala Harris Stands on Climate

She pursued polluters as attorney general in California and later staked out bold positions as a senator, including sponsorship of the Green New Deal.

E.P.A. Announces $4.3 Billion in Funding for 25 Climate Projects

States, tribes, local governments and territories sent in proposals aimed at cutting greenhouse gas emissions.

The White House Has a Plan to Slash Plastic Use in the U.S.

The government said it would phase out its purchases of single-use plastics, a significant step because it is the biggest buyer of consumer goods in the world.

Solving Problems With Susan Solomon

She played a crucial role in fixing the ozone hole, and has thoughts on climate change.

Why the Era of China’s Soaring Carbon Emissions Might Be Ending

Analysts are seeing promising signs from the world’s biggest emitter of greenhouse gases.

For These Nearly Extinct Crocodiles, Life Found a Way

The largest population of the endangered Siamese crocodiles this century hatched in Cambodia, a big moment for the conservation of a wild species once on the brink of extinction.

We Mapped Heat in 3 U.S. Cities. Some Sidewalks Were Over 130 Degrees.

Air temperature is just one measure of how heat affects cities and people. See how high surface temperatures, which bring additional risks, can get.

A Giant Offshore Wind Turbine Blade Breaks, Prompting Beach Closures

It’s unclear why a blade from one of the Vineyard Wind turbines broke into pieces, which are washing up on Nantucket beaches.

Fact-Checking the Republican National Convention on Energy Claims

Several speakers focused on the sharp rise in gas and electricity prices under President Biden. We scrutinized their statements.

Climate and the Republican Convention

Here’s where the party stands on global warming, energy and the environment.

What Trump 2.0 Could Mean for the Environment

If Donald Trump returns to the White House, he would likely face fewer legal and bureaucratic obstacles to dramatically remake the E.P.A.

J.D. Vance Is an Oil Booster and Doubter of Human-Caused Climate Change

He once said society had a climate problem but changed his position sharply while seeking Donald Trump’s endorsement in his Senate race.

At the Republican National Convention, Climate Change Isn’t a Problem

As the event opens with a focus on energy, former President Trump and other leaders are calling for more oil, gas and coal development.

What’s Greenest and Cleanest When Nature Calls?

Conventional toilet paper has a big environmental impact. We’ve got the lowdown on alternatives, from bamboo tissue to bidets.

A Leading Environmental Group Calls on Biden to Step Aside

The Sunrise Movement, expressing concern about the president’s ability to win re-election, said he should “pass the torch to a new nominee.”

How Rebuilding Forests Helped Pangolins, Orangutans and People

Land restored by local residents in Borneo drew an array of wildlife after nonprofit groups first addressed the needs of nearby villagers.

‘More Heat, More Often’: Temperature Records Keep Breaking

The burning of fossil fuels has created more frequent and more intense heat waves. Experts warn these heat waves are “the new normal.”

A.I.’s Insatiable Appetite for Energy

The soaring electricity demands of data centers and A.I. are straining the grid in some areas, pushing up emissions and slowing the energy transition.

In New York, Protesting the Backers of Big Oil With Die-Ins, Drums and Song

Amid soaring temperatures, hundreds of activists are staging boisterous blockades and solemn marches at banks and insurers that support fossil fuel projects.

A.I. Needs Copper. It Just Helped to Find Millions of Tons of It.

The deposit, in Zambia, could make billions for Silicon Valley, provide minerals for the energy transition and help the United States in its rivalry with China.

Hot Nights Fuel Wildfires in California, Complicating Containment

Climate change is causing more fires to burn overnight, growing bigger, lasting longer and challenging the fire teams trying to control them.

As Climate Toll Grows, FEMA Imposes Limits on Building in Flood Plains

New restrictions are meant to reduce damage during floods. The rules were first proposed in 2016, then the Trump administration scrapped them.

How the Home Insurance Market Became So Distorted

Climate change and widely varied state regulations could mean you’re paying too much or far too little to insure your home.

A Brand-New Electric Bus, No Charge. (That Was One Problem.)

In tiny Wymore, Neb., a sleek new battery-powered school bus became a Rorschach test for the future.

Find Out How Your Home Insurance Costs Compare in Our Interactive Map

Insurance premiums are surging unevenly across the country. Your rates might be out of step with risks.

Home Insurance Rates in America Are Wildly Distorted. Here’s Why.

Climate change is driving rates higher, but not always in areas with the greatest risk.

Power failures from hurricanes are projected to increase 50 percent in the coming decades.

What Do Bagged Chickens Have to Do With Sliced Cheese?

Both have gotten caught up in fights over plastic packaging. When Costco recently tried to trim its plastic use by selling rotisserie chickens in bags, some shoppers disapproved.

How Future Hurricanes Could Stress Power Grids of U.S. Cities

A new analysis shows increasing frequency and intensity of hurricanes could cause more devastating interruptions to the power grid.

Can the Labour Party Bring Back Britain’s Green Groove?

The new government, to be led by Labour, has pledged to fast-track a green energy transition. It will face big challenges.

‘A Roller Coaster in a Carwash’: Why Scientists Are Flying Into Hurricane Beryl

Gathering data from directly inside the storm can help emergency managers prepare for what’s to come.

G.M. Sold Millions of Cars That Were More Polluting Than Allowed, E.P.A. Says

The agency reached a settlement with the automaker over the sales of SUVs and pickups that emitted excess planet-warming carbon dioxide.

A Ban on Elephant Hunting Has Collapsed. Or Maybe It Never Existed.

Five bulls from the area around a Kenyan wildlife reserve have been shot and killed in Tanzania in recent months. The countries have very different conservation strategies.

A Seismic Supreme Court Decision

Here’s how the end of the Chevron doctrine could affect climate regulation.

Study Finds Alaskan Ice Field Melting at an ‘Incredibly Worrying’ Pace

The speed of decline in the Juneau Ice Field, an expanse of 1,050 interconnected glaciers, has doubled in recent decades, scientists discovered.

Biden Calls Climate Denial ‘Dumb,’ Announces New Heat Protections for Workers

The proposed regulation comes as California and Oregon brace for a punishing heat wave.

And the Winner Is … the Slowest!

Cargo ships off California are reducing speeds as part of an unusual race designed to protect some very large local residents.

Judge Orders Biden Administration to Resume Permits for Gas Exports

President Biden had paused new natural gas export terminals to assess their effects on the climate, economy and national security. A federal judge disagreed.

Flash Flooding After New Mexico Wildfires Highlights Climate Risks

Flooding in Ruidoso, N.M., over the weekend showed how wildfire damage, worsening under climate change, can put people at even greater risk than the fires themselves.

Is Organic Produce Worth the Higher Price?

You need to weigh your budget, but it does have benefits. Including some that are not obvious.

A String of Supreme Court Decisions Hits Hard at Environmental Rules

Four cases backed by conservative activists in recent years have combined to diminish the power of the Environmental Protection Agency.

Biden Administration Denies Mining and Drilling Access to Alaskan Wilderness

The Interior Department rejected a proposed industrial road through pristine land in Alaska that was needed to reach an estimated $7.5 billion copper deposit.

Our Reporter on the Shape-Shifting Maldives

Low-lying tropical island nations were expected to be early victims of rising seas. But research tells a surprising story.

Study Finds Small Streams, Recently Stripped of Protections, Are a Big Deal

Half of the water flowing through regional river basins starts in so-called ephemeral streams. Last year, the Supreme Court curtailed federal protections for these waterways.

Biden vs. Trump on Climate Policy

Ahead of the first presidential debate, we examined the climate stakes in this year’s election.

Republicans Used to Love Wind and Solar. That Romance Has Cooled.

A new Pew Research Center survey finds Republican support for wind, solar and electric vehicles has tanked since President Biden was elected, mostly among those 65 and older.

The Vanishing Islands That Failed to Vanish

Low-lying tropical island nations were expected to be early victims of rising seas. But research tells a surprising story: Many islands are stable. Some have even grown.

Trump Says Clean Energy Is a Scam. That Could Benefit China, Experts Say.

President Biden’s landmark climate law could be repealed in a Trump administration. Economists said that would jeopardize $488 billion in American investments.

The Heat Crisis Is a Housing Crisis

A lack of affordable housing and high energy costs are making Americans more vulnerable to record-breaking heat, public health experts say.

Three Ideas to Beat the Heat, and the People Who Made Them Happen

As temperatures soar around the world, practical experiments are emerging to protect people.

Extreme Wildfires Have Doubled in 2 Decades, Study Finds

In a changing climate, extreme wildfire events are becoming far more common and more intense, according to a new analysis.

A Global Push Fixed the Ozone Hole. Satellites Could Threaten It.

A sharp increase in hardware orbiting Earth could mean more harmful metals lingering in the atmosphere, according to a new study.

Hawaii Settles With Young Plaintiffs in Climate Case

The state agreed to take steps to cut greenhouse gas emissions from transportation. It’s the latest of several victories for youth-led climate lawsuits.

A Ride in a Chemical-Sniffing Van Shows How Heat Amps Up Pollution

In heat waves, chemicals like formaldehyde and ozone can form more readily in the air, according to researchers driving mobile labs in New York City this week.

Well Beyond the U.S., Heat and Climate Extremes Are Hitting Billions

People all over the world are facing severe heat, floods and fire, aggravated by the use of fossil fuels. The year isn’t halfway done.

Amazon Says It Will Stop Using Puffy Plastic Shipping Pillows

They’ll be replaced in North America with paper packing, eliminating some 15 billion pillows a year. Plastic film is a major pollutant.

TV Weather Gets Political

On-air meteorologists have become a target in the culture wars as they report on the effects of climate change.

After a Weather Disaster, a Surprise: Some Ornery Monkeys Got Nicer

Macaques, reeling from a hurricane, learned by necessity to get along, a study found. It’s one of the first to suggest that animals can adapt to environmental upheaval with social changes.

New ‘Detective Work’ on Butterfly Declines Reveals a Prime Suspect

Agricultural insecticides were a key factor, according to a study focused on the Midwest, though researchers emphasized the importance of climate change and habitat loss.

Warming Made Recent Heat Wave in U.S. and Mexico More Likely, Study Says

Extreme heat across parts of Central America and the Southern United States in May and early June was 35 times more likely because of human-caused global warming, according to a new report.

Rural America Lags Cities in Helping People Beat the Heat

Most strategies in the U.S. for helping people stay cool are geared toward urban areas, leaving behind vulnerable rural populations.

The Weatherman Who Tried to Bring Climate Science to a Red State

Chris Gloninger said he was hired to talk about global warming in his forecasts. That’s when things heated up.

You’re not imagining it. Summers are getting hotter.

Why Longer Heat Waves Are So Dangerous

Researchers have found that longer-lasting heat waves can be deadlier and can pose unique health risks.

A Heat Wave Is Coming: Here’s How Paramedics Are Preparing

Wet towels and body bags filled with ice water are being used to quickly cool victims, which is essential to saving lives.

Dozens of Groups Push FEMA to Recognize Extreme Heat as a ‘Major Disaster’

The labor and environmental groups are pushing the change so relief funds can be used in more situations.

Recycling Is Broken. Should I Even Bother?

Every little bit helps. But doing it wrong can actually make matters worse.

El Niño Is Over. What Does That Mean for Summer?

The NOAA Climate Prediction Center announced an end to the El Niño climate phenomenon on Thursday, and predicted that La Niña could start as early as next month.

Trump Once Promised to Revive Coal. Now, He Rarely Mentions It.

In earlier races for the White House, he pledged to get miners back to work. Now, political and economic realities have shifted.

Is the Fight Against Big Oil Headed to the Supreme Court?

The Supreme Court may soon decide the fate of dozens of cases brought by cities and states that seek to hold fossil fuel companies accountable.

Missing a Global Climate Target Could Spell Disaster for These Polar Bears

One group in Hudson Bay might have roughly a decade left because sea ice is becoming too thin to support them as they hunt, according to new research.

White House Announces Strategy to Keep Edible Food Out of Landfills

The government will look at ways to extend the shelf life of foods and to create more composting and other facilities, as well as urge companies to donate more food.

A New Way to Talk About Heat

Record-breaking temperatures are pushing experts and public health officials to come up with a new vocabulary to warn the public about extreme heat.

The Most Endangered Marine Mammal Still Exists. Here’s the Latest Count.

Scientists and officials spent days at sea searching for vaquitas, shy porpoises threatened by fishing gear.

Nuclear Power Is Hard. A Climate-Minded Billionaire Wants to Make It Easier.

Work is starting in Wyoming coal country on a new type of reactor. Its main backer, Bill Gates, says he’s in it for the emissions-free electricity.

Chemical Makers Sue Over Rule to Rid Water of ‘Forever Chemicals’

Industry groups said the E.P.A. had exceeded its authority in requiring the drinking-water cleanup. The chemicals, known as PFAS, are linked to cancer and health risks.

Environmental Group to Study Effects of Artificially Cooling Earth

The Environmental Defense Fund, entering controversial territory, will spend millions of dollars examining the impact of reflecting sunlight into space as global warming worsens.

Trump’s Energy Guy Talked a Green Game but Now Sells Big Oil Priorities

Doug Burgum, the Republican governor of North Dakota, has stepped into the spotlight as a cheerleader for oil and former President Donald J. Trump.

U.S. Tightens Car Mileage Rules, Part of Strategy to Fight Climate Change

The new measure requires automakers to achieve an average of 65 miles per gallon for all the car models they sell by 2031.

EMTs Get a New Way to Treat Heat Victims: Body-Sized Ice Cocoons

In overheated Phoenix, firefighters are carrying giant plastic, ice-filled bags to quickly cool people, a technique pioneered in the military and at sporting events.

The World Heads to the Polls

Hundreds of millions of people around the world have recently voted in elections with important climate issues like extreme heat and coal dependence.

How a Climate Backlash Influenced Campaigning in Europe

After years of political consensus on the transition to cleaner energy, a ‘greenlash’ began bubbling up as prices rose and right-wing candidates gained ground.

Plans for an Ailing Forest Include Logging. Environmentalists Object.

Officials in Oregon say they need to cut trees, including some healthy ones. The reaction shows how complex land management has become as forest health declines.

‘Hanging by a Thread’: U.N. Chief Warns of Missing a Key Climate Target

His comments came as the world body’s weather agency said it expected Earth to soon surpass the record high temperatures experienced in 2023.

California City Leaders End Cloud-Brightening Test, Overruling Staff

The City Council in Alameda, Calif., voted to stop tests of a device that could one day cool the Earth. Scientists and city staff had previously concluded the tests posed no risk.

E.P.A. Moves to Limit Toxic Chemical Used in Hundreds of Products

The chemical, N-Methylpyrrolidone, or NMP, has been linked to miscarriages, reduced male fertility and other health problems.

When Hydropower Runs Dry

The struggle of the world’s largest source of renewable last year could have important implications for the fight against climate change.

Modi Will Feel the Heat in a Third Term. And Not Just Politically.

Farmers have repeatedly protested over grievances tied to global warming, a major political and economic test given the importance of India’s rural economy.

As Solar Power Surges, U.S. Wind Is in Trouble

A 2022 climate law was expected to set off a boom in renewable energy. So far, that’s only come partly true.

Deadly Floods in Brazil Were Worsened by Climate Change, Study Finds

The country’s south received three months’ rain in two weeks. Global warming has made such deluges twice as likely as before, scientists said.

A Climate Scientist Is Voted President of an Oil Country. Now What?

Claudia Sheinbaum, Mexico’s next leader, is an academic and a politician. Here’s what her track record reveals.

What Are Eco-Friendly Ways to Control Backyard Bugs?

Meet the “bucket of doom” and other methods to manage mosquitoes and ticks.

Vermont to Require Fossil-Fuel Companies to Pay for Climate Damage

Under the country’s first “climate superfund” law, Vermont will charge large emitters for climate-related damage to the state.

Electricity From Coal Is Pricey. Should Consumers Have to Pay?

Environmental groups are making a new economic argument against coal, the heaviest polluting fossil fuel. Some regulators are listening.

Why Greece Is Betting Big on American Gas

Even as it pivots to solar and wind for itself, Greece aims to become a natural gas supplier across Europe. Among its strongest backers is the United States.

The Right Kind of Tipping Point

Global carbon dioxide emissions might have already peaked, according to new estimates, signaling a potentially monumental shift.

How to Fix Carbon Offsets

Carbon offsets have been heavily criticized as greenwashing, but they have a hidden benefit: getting crucial climate funds to developing nations.

Lawyers to Plastics Makers: Prepare for ‘Astronomical’ PFAS Lawsuits

At an industry presentation about dangerous “forever chemicals,” lawyers predicted a wave of lawsuits that could dwarf asbestos litigation, audio from the event revealed.

Carbon Offsets, a Much-Criticized Climate Tool, Get Federal Guidelines

The new principles aim to define ‘high-integrity’ offsets amid concerns that current practices often don’t cut greenhouse gas emissions as claimed.

Climate Change Added a Month’s Worth of Extra-Hot Days in Past Year

Since last May, the average person experienced 26 more days of abnormal warmth than they would have without global warming, a new analysis found.

Can Trump Really Slam the Brakes on Electric Vehicles?

He has vowed to shred President Biden’s E.V. policies and has threatened that “You won’t be able to sell those cars.”

‘New Territory’ for Americans: Deadly Heat in the Workplace

Deaths are rising sharply, and the Biden administration is trying to respond. Its plan faces big hurdles.

This City Is Tapping a Climate Cash Bonanza While It Can

Local officials in Nevada, fearing that billions in federal support could dry up after Election Day, are in a “mad dash” to secure funds before November.

Life in the Dirt Is Hard. And Climate Change Isn’t Helping.

Heat and drought are taking a toll on the tiny soil creatures that help to lock away planet-warming carbon, according to a new analysis.

These Teens Adopted an Orphaned Oil Well. Their Goal: Shut It Down.

Students, nonprofit groups and others are fund-raising to cap highly polluting oil and gas wells abandoned by industry.

A Test of Cloud-Brightening Machines Poses No Health Risk, Officials Say

After halting a test of controversial technology to fight global warming, the city of Alameda, Calif., said it had found no “measurable health risk” from the giant salty-mist-spraying fans.

The Biden Clean Energy Boom

The president’s signature 2022 climate law has sparked a rapid clean energy boom but its political impact is a lot less clear.

Senate Democrats Open Inquiry Into Trump’s $1 Billion Request of Oil Industry

Two committees are seeking information from oil executives about a dinner where, the lawmakers say, the former president proposed a quid pro quo.

Howler Monkeys Fall From Trees Amid Mexico Heat

Scientists are investigating the situation that has left more than a hundred howler monkeys dead and others dehydrated and in critical condition in southern Mexico.

Dead Monkeys Are Falling From Trees Amid Brutal Heat in Mexico

The deaths of dozens of howler monkeys may be the latest sign of the danger extreme temperatures pose to wildlife around the world.

Tornado Pummels Wind Turbines in Iowa

The damage was unusual, experts say, because turbines are built to withstand extreme weather. Iowa is a wind powerhouse, with thousands of turbines.

How India Is Coping With Extreme Heat

India is adapting to a new era of dangerous heat, even as climbing temperatures are making its transition to a cleaner economy more difficult.

Biden and Big Oil Had a Truce. Now, It’s Collapsing.

Companies were enjoying record profits. But the president’s decision to pause permits for gas export terminals has whipped up industry support, and donations, for Donald Trump.

Is Biodegradable Plastic Really a Thing?

Technically, it exists. But here’s what to think about when shopping.

Thunderstorms, Wind and Climate Change: Here’s What to Know

Scientists say storms like those that battered Houston could become more intense as the planet warms, though pinning down trends is still challenging.

Heat Stress Is Hitting Caribbean Reefs Earlier Than Ever This Year

Scientists in the United States are reporting “unprecedented patterns” of surface warming, an ominous sign for coral.

Snow Lifts Great Salt Lake From Record Lows, but Dangers Persist

The lake remains below healthy levels and experts warn the increase could reduce the pressure to conserve water.

The Cost of Competing With China

The Biden administration is betting that new China tariffs will be politically popular, even if they could slow the transition from fossil fuels.

Gov. Gavin Newsom Accuses Trump of ‘Open Corruption’ at Climate Meeting

The California governor, speaking at the Vatican, used sharp language to describe the former president’s appeal to fossil fuel executives for campaign donations.

DeSantis Signs Law Deleting Climate Change From Florida Policy

The law also stops programs designed to encourage renewable energy and conservation in a state that is highly vulnerable to the impacts of climate change.

U.S. to Stop Buying Russian Uranium, Cutting Cash to Moscow

A new law accelerates the weaning of U.S. electric utilities from using Russian enriched uranium to power America’s nuclear plants.

Summer 2023 Was the Northern Hemisphere’s Hottest in 2,000 Years, Study Finds

Scientists used tree rings to compare last year’s extreme heat with temperatures over the past two millenniums.

4 Takeaways From Our Homeowners Insurance Investigation

Across the country, more intense heat, storms and fires are causing the home insurance market to start to buckle.

The Home Insurance Crunch: See What’s Happening in Your State

Climate change is making homeowners insurance less profitable. How has your state fared over the past decade?

As Insurers Around the U.S. Bleed Cash From Climate Shocks, Homeowners Lose

It’s not just California and Florida now: Insurers are losing money around the country. It means higher rates and, sometimes, cancellation notices.

How an Obscure Agency Became a Linchpin for Climate Policy

The Federal Energy Regulatory Commission voted 2-to-1 in a partisan split on Monday on a new rule that could help speed up wind and solar energy.

New Rules to Overhaul Electric Grids Could Boost Wind and Solar Power

The Federal Energy Regulatory Commission approved the biggest changes in more than a decade to the way U.S. power lines are planned and funded.

Cloud Brightening Study in California Is Halted by Local Officials

Researchers had been testing a sprayer that could one day be used to push a salty mist skyward, cooling the Earth. Officials stopped the work, citing health questions.

The Doom vs. Optimism Debate

How to reconcile two new reports that seem to tell very different stories about the state of climate change.

At a Dinner, Trump Assailed Climate Rules and Asked $1 Billion From Big Oil

At a private meeting at Mar-a-Lago, the former president said fossil fuel companies should donate to help him beat President Biden.

10 Big Biden Environmental Rules, and What They Mean

Asbestos, “forever” chemicals, E.V.s and endangered species. Here’s what 10 new rules cover, and why the administration has been churning them out.

Tornadoes Are Coming in Bunches. Scientists Are Trying to Figure Out Why.

The number of tornadoes so far in the United States this year is just above average. But their distribution is changing.

China Rules the Green Economy. Here’s Why That’s a Problem for Biden.

Beijing’s dominance raises economic and security concerns, and tensions will be high as top climate diplomats meet this week.

Up, Up and Not OK: Letting Go of Balloons Could Soon Be Illegal in Florida

In an effort to curb microplastics and marine pollution, state lawmakers voted to ban intentional releases.

With or Without Tesla, More E.V. Chargers Are Coming

Experts say that a new wave of electric vehicle charging stations are coming soon, even after Tesla gutted its charger team.

Giant Batteries Are Transforming the Way the U.S. Uses Electricity

They’re delivering solar power after dark in California and helping to stabilize grids in other states. And the technology is expanding rapidly.

Are Flight Offsets Worth It?

A lot of them don’t work and some might even be harmful. But there are things you can do if you really have to fly.

‘We Will Save Our Beef’: Florida Bans Lab-Grown Meat

Other states have also considered restrictions, citing concerns about farmers’ livelihoods and food safety, though the product isn’t expected to be widely available for years.

Gas Stove Pollution Risk Is Greatest in Smaller Homes, Study Finds

Gas-burning ranges, a significant contributor to indoor pollution, can produce and spread particularly high levels of some pollutants in smaller spaces.

What Happens When NASA Loses Eyes on Earth? We’re About to Find Out.

Three long-running satellites will soon be switched off, forcing scientists to figure out how to adjust their views of our changing planet.

Making Flying Cleaner

New guidelines attempt to make the aviation cleaner by relying on corn-based ethanol, but experts divided on the fuel’s environmental benefits.

Biden Expands Two National Monuments in California

As part of his plan to conserve the nation’s land and waters, Mr. Biden is enlarging the San Gabriel Mountains National Monument and the Berryessa Snow Mountain National Monument.

Can Forests Be More Profitable Than Beef?

Cattle ranches have ruled the Amazon for decades. Now, new companies are selling something else: the ability of trees to lock away planet-warming carbon.

Drought That Snarled Panama Canal Was Linked to El Niño, Study Finds

The low water levels that choked cargo traffic were more closely tied to the natural climate cycle than to human-caused warming, a team of scientists has concluded.

Corn to Power Airplanes? Biden Administration Sets a High Bar.

Producers of biofuels like ethanol, which could help create a new generation of jet fuel, would have to overhaul their practices to receive tax credits.

How to Save a Pristine Valley

How a group of local activists saved the ‘Yosemite of South America’ in the unlikeliest of deals.

Water Heaters Use Lots of Energy. The D.O.E. Wants to Change That.

The Biden administration is tightening efficiency rules for water heaters, stoves and other appliances, and conservative politicians are dialing up their criticisms.

How Locals Saved ‘the Yosemite of South America’

A decade-long battle between a wealthy industrialist and a band of activists led to a surprising $63 million transaction.

U.S. Plan to Protect Oceans Has a Problem, Some Say: Too Much Fishing

An effort to protect 30 percent of land and waters would count some commercial fishing zones as conserved areas.

Biden Administration Moves to Speed Up Permits for Clean Energy

The White House wants federal agencies to keep climate change in mind as they decide whether to approve major projects.

Environmental Prize Highlights Work to Keep Fossil Fuels at Bay

Around the world, grass-roots organizers and Indigenous communities are taking proposed coal, oil and gas projects to court — and winning.

New Orleans Likes to Drink. They Spotted a Huge Recycling Opportunity

College students started a venture that has diverted glass bottles from landfills and crushed them into sand for coastal restoration efforts.

How Abrupt U-Turns Are Defining U.S. Environmental Regulations

The polarization of politics means that rules are imposed, gutted and restored with each election. Experts say that’s bad for the economy.

Five Major Climate Policies Trump Would Probably Reverse if Elected

He has called for increased oil production and said that electric vehicles will result in an ‘assassination’ of jobs.

The Fight Over the Future of Plastics

As countries negotiate a landmark agreement to reduce plastic pollution, the industry is fighting a battle over regulations and over its image.

Five Things to Know About Biden’s New Power Plant Rules

The administration issued a major climate regulation aimed at virtually eliminating carbon emissions from coal, the dirtiest of the fossil fuels and a driver of global warming.

Energy Dept. Aims to Speed Up Permits for Power Lines

The Biden administration has expressed growing alarm that efforts to fight climate change could falter unless the electric grids are quickly expanded.

E.P.A. Severely Limits Pollution From Coal-Burning Power Plants

New regulations could spell the end for plants that burn coal, the fossil fuel that powered the country for more than a century.

RZA of Wu-Tang Clan Has a Beef With Meat

The rapper, producer, actor and vegan talks about the connections between meat and masculinity, animal welfare and the environment.

Your most pressing climate questions

Introducing Ask NYT Climate, where we’ll explore how climate intersects with your everyday life.

Three Places Changing Quickly to Fight Climate Change

Paris is becoming a city of bikes. Across China, people are snapping up $5,000 electric cars. On Earth Day, a look at a few bright spots for emission reductions.

Is Online Shopping Bad for the Planet?

In theory, getting deliveries can be more efficient than driving to the store. But you may still want to think before you add to cart.

Scotland Made Big Climate Pledges. Now They’re ‘Out of Reach.’

Despite significant progress, Scotland was falling short on cutting vehicle emissions, switching to heat pumps and even restoring peatland, the government said.

E.P.A. Will Make Polluters Pay to Clean Up Two ‘Forever Chemicals’

The step follows an extraordinary move that requires utilities to reduce the levels of carcinogenic PFAS compounds in drinking water to near-zero.

R.F.K. Jr.’s Environmental Colleagues Urge Him to Drop Presidential Bid

Nearly 50 leaders and activists who worked with Mr. Kennedy at an environmental nonprofit group will run ads calling on him to “Honor our planet, drop out.”