Warm temperatures and extremely low snowfall threaten water resources for the year.
New York City is icy and cold right now, but you’re probably not going to be able to walk to New Jersey any time soon.
Do snowy owls live in Antarctica? What’s the most alarming measurement scientists are watching for? What do you eat and drink? Our climate reporter Raymond Zhong answers some questions from students around the world.
The researchers produced a report that was central in a Trump administration effort to stop regulating climate pollution.
A team hopes to place instruments in the waters beneath the colossal Thwaites Glacier, with the help of a drill that uses hot water to punch through ice.
New studies show how algae grows on ice and snow, creating “dark zones” that exacerbate melting in the consequential region.
The possibility of snow in Tampa, Fla. Record heat and fires in Australia. Scientists say climate change is exacerbating weather extremes.
Seals favored by Svalbard bears are becoming easier to hunt as ice declines, a study found. But researchers say the situation may be temporary.
Bonaire, a Dutch overseas territory, deserves the same protections as Europe, the ruling said. The decision adds to a growing body of precedent worldwide.
Las guerras, el cambio climático, las tecnologías disruptivas y el ascenso de la autocracia durante el año pasado llevaron a los científicos a poner el reloj a 85 segundos de la medianoche.
After working and camping for a week on Thwaites Glacier, scientists were ready to start drilling into the ice, if only the weather would let them.
Wars, climate change, disruptive technologies and the rise of autocracy over the past year prompted scientists to set the clock at 85 seconds to midnight.
The project, known as Vineyard Wind, was already 95 percent complete when the Trump administration ordered construction to stop.
The lawsuit accuses the companies of raising prices by working against solar and wind power and by downplaying the risks of climate change.
The United States is the only country to pull out of the global agreement among nations to fight climate change. European diplomats say the U.S. reputation is suffering.
A warmer atmosphere has the potential to hold more moisture, which can contribute to heavier precipitation in any season, scientists say.
Average Americans could experience significant hits to their health and their pocketbooks.
Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all scientists agree.
Prime Minister Keir Starmer stood firm over Greenland. But his center-left government and the country as a whole have been buffeted by President Trump.
Bad weather delayed expedition scientists’ efforts to set up camp on Thwaites Glacier in Antarctica and take measurements to determine how quickly it is melting. After the skies cleared, our journalists, Raymond Zhong and Chang W. Lee, took us along for their first steps on Thwaites.
Philadelphia sued the Trump administration after it directed the Park Service to rip out a memorial to slavery. Elsewhere, materials about climate change and labor history were being removed.
In the unforgiving polar wilderness, scientists go to great lengths to safeguard the devices that gather precious data.
Many of the cancellations had been known for months, but the announcement underscored the drastic change in the energy landscape under President Trump.
The annual gathering of top business leaders and policymakers used to be a center of the global climate movement. Things are much more complicated now.
The World Economic Forum in Davos, Switzerland, was once ground zero for an unofficial climate movement in the business community. David Gelles, a climate reporter for The Times, describes why climate is no longer a key focus in Davos today.
The historic site, on an island in South Carolina, could be inundated by rising seas in decades to come. A display on the threat has been removed.
Politics, military action and climate change have increased risk for destinations that once seemed like sure bets, forcing travelers to change how they plan.
Future games will need to be held at higher altitudes, and spread over multiple venues in order to adapt to a changing climate, new research suggests.
The Environmental Protection Agency has stopped estimating the dollar value of lives saved in the cost-benefit analyses for new pollution rules.
The administration has thrown into chaos a deal that Washington State worked out with local leaders, environmentalists and industry.
Low clouds have lifted long enough for helicopters to ferry scientists and their gear to a fast-melting glacier on the edge of Antarctica.
The traditional rhetoric of the World Economic Forum centered on global integration, climate change and international cooperation. Not anymore.
Our climate reporter Raymond Zhong takes a trip into the New York Times archives to see how our understanding of Antarctica has changed over the past century.
She played a key role in negotiating a landmark United Nations treaty to protect the high seas, an agreement that went into effect this weekend.
Over two decades after negotiations began, the High Seas Treaty is designed to protect biodiversity in international waters enabling countries to create special conservation zones.
Six years after the financial industry pledged to use trillions to fight climate change and reshape finance, its efforts have largely collapsed.
Part of Pine Island Glacier collapsed several years ago, forming an unstable inlet where no ship had sailed. Until now.
Construction can continue on an $11.2 billion project off the coast of Virginia, said to be 70 percent complete.
Even as administration officials vowed this week to head off scheduled retirements, some aging plants are now breaking, and costs could run to the billions.
Thousands of cities around the world saw their hottest year on record in 2025 as the planet has inched closer to a key temperature threshold.
Many proposals have been introduced, but there is little consensus among governors, Congress members and tech executives about exactly how much the companies behind data centers should pay for electricity.
A federal judge said the Empire Wind project off Long Island would suffer “irreparable harm” if the Trump administration continued to hold up work.
For half a century, a federal program has covered most at-risk properties. Now, a private company is pitching a plan to shrink the government’s role.
Es probable que las empresas que convierten el petróleo en gasolina y diesel tomen la ventaja, comparadas con aquellas que extraen del subsuelo.
This year’s recipient of the Tyler Prize for Environmental Achievement talks about “punk science,” microbial economics and thinking like a mycorrhizal fungus.
The fate of the world’s largest island has outsize importance for billions of people on the planet, because as the climate warms, Greenland is losing ice. That has consequences.
The president’s hostility to E.V.s is hurting U.S. automakers.
The companies that turn oil into gasoline and diesel are likely to benefit more, right away, than the businesses that pump oil out of the ground.
Durante décadas, un archipiélago ártico llamado Svalbard ha sido un inusual refugio de cooperación internacional. Esos días se terminaron.
China banned the burning of coal for heat around Beijing, but natural gas subsidies have run out, leaving many villagers vulnerable in dangerously cold weather.
Last year was Earth’s third hottest globally, but temperature is just one measure of climate change’s influence.
Times journalists were able to get tantalizingly close to the Thwaites glacier, which scientists are hoping to spend weeks studying up close.
The agency wants to curtail a section of the Clean Water Act that Democratic governors have used to restrict fossil fuel development.
The increase in planet-warming emissions came after two years of decline as demand for electricity has been surging.
Experienced Antarctica guides tell Raymond Zhong, our climate reporter, how they set up camp on the Thwaites Glacier so scientists can measure how fast it’s melting. The biggest safety concern? Crevasses.
The Energy Department canceled $7.5 billion in Biden-era energy spending, largely in Democratic-led states, during last year’s government shutdown.
The ruling means that construction can continue on Revolution Wind, a $6.2 billion project off the coast of Rhode Island, at least for now.
The justices heard arguments over whether oil companies sued by Louisiana could move the cases from state to federal court, a venue thought to be friendlier to corporate interests.
In a reversal, the agency plans to calculate only the cost to industry when setting pollution limits, and not the monetary value of saving human lives, documents show.
The president’s embrace of fossil fuels and withdrawal from the global fight against climate change will make it hard to keep warming at safe levels, scientists said.
The idea of cows grazing in a pasture seems idyllic. We asked experts how their emissions stack up compared to factory farms.
Local governments are suing oil companies over environmental damage. The companies want the suits moved out of state courts, to friendlier venues.
For decades, an Arctic archipelago called Svalbard has served as a rare refuge of international cooperation. Those days are over.
And that is bad news for our planet.
Warming seas and increased flooding threaten a way of life for Native Americans who have called the Pacific Northwest coast their home for generations.
Our climate reporter Raymond Zhong meets with Paul Anker, a drilling engineer aboard the icebreaker Araon, to discuss the stakes, preparations and pressure of the mission to drill a hole in the Thwaites Glacier to measure the water beneath.
From an icebreaker sailing near the Thwaites Glacier in Antarctica, our photographer has captured the many faces of the ice.
Una expedición busca entender por qué la placa helada se contrae cada vez más en esa zona del mundo, aunque a un ritmo menos acelerado que su contraparte en el Ártico.
General Motors said it was writing down the value of battery and electric vehicle factories after changes in federal policy undercut demand.
A warming planet has opened up new shipping routes and turned Greenland into a geostrategic asset for the Trump administration.
Less than a day after arriving at the ice, we are already up close and personal with the fastest-melting glacier in Antarctica.
The world’s oceans are becoming dangerously acidic. A controversial proposal would raise the pH — by mixing chemicals into the water.
The Trump administration said Wednesday that the United States was withdrawing from 66 international agreements, including a major climate change treaty.
The action could make it more difficult for a future administration to rejoin the Paris climate accord, the agreement among most nations to fight climate change.
After a 12-day crossing, and a hard slog through sea ice, the field work on this Antarctic expedition is ready to start.
Democrats demanded information from seven top U.S. oil companies about any meetings with the Trump administration regarding plans to control Venezuela’s oil industry.
The job cuts expected this month are part of a plan by the Homeland Security secretary, Kristi Noem, to remake the agency.
As the icebreaker heads into the sea ice zone around Antarctica, penguins and seals start to appear. The lead scientist on the vessel teaches our climate reporter, Raymond Zhong, to identify different kinds of sea ice.
The Trump administration has made no secret that it covets Venezuela’s oil reserves. What happens next could have serious implications for the planet.
After 10 days with only the open ocean and the occasional iceberg at our sides, sailing into the sea ice felt like crossing into a whole new realm.
Most of the reserves in the country are extra-heavy oil that’s tough to extract and generates more greenhouse gases.
One year later, we haven’t really begun to reckon with the real meaning of the Los Angeles fires.
Karen Budd-Falen, the No. 3 at the Interior Department, didn’t disclose a $3.5 million water-rights contract between her husband and the developers of a Nevada mine, records show.
As conservation efforts make the waters in the New York region more inviting for whales, increasing traffic from ships and boats has contributed to a climbing number of strandings.
If you’re a writer or filmmaker hoping to create a hell on earth, might as well start with the most famous city in the world.
Some issues in the document, which is issued every four years, had become politically inconvenient, former officials said.
The state has led the country in adopting electric cars and reducing gas use, but it now faces much higher gas prices as oil companies plan to shut down refineries.
The weekly column that focused on inequality in the city ran for 14 years, from Occupy Wall Street to Zohran Mamdani. Now it comes to a close.
Progress cannot occur if scientists are barred from asking certain questions.
La gestión de Biden estará en los libros de historia como un interregno entre dos mandatos de Donald Trump, una pausa en medio de un periodo caótico de cambio, para bien o para mal.
Biden’s disastrous debate performance highlighted age concerns.
As leaders gather for a global climate summit, investors are rewarding oil giants like Exxon Mobil that did not embrace wind and solar.
Our nation needs an economic disaster preparedness tool kit to avoid the scourge of inflation.
A substantial number of Republican voters are losing faith in science.
Readers discuss election obstacles. Also: Donald Trump’s claim about Kamala Harris’s crowds; the Olympics; Covid vaccines; food and the climate.
A new study of camera-trap images complicates the idea that all wildlife thrived during the Covid lockdowns.
In her elegant essay collection, “Lessons for Survival,” Emily Raboteau confronts climate collapse, societal breakdown and the Covid pandemic while trying to raise children in a responsible way.
An increasing number of migrants are trying to pass through the dangerous terrain connecting South and Central America. What forces them to take that route?
The decision could rip a hole in Berlin’s budget and complicate the transition to a greener economy.
Readers disagree with an essay expressing concern about a decline after a peak. Also: Rudy Giuliani’s drinking; book bans; masks in hospitals; wedding magic.
With residents unprepared for New York City’s recent flooding, it was a day of unnecessary chaos and frustration.
Of climate denial, Covid denial and cryptocurrency.
Mientras prestábamos atención a la pandemia, China y Ucrania, los caminos hacia la prosperidad y los intereses comunes se han oscurecido.
While the world’s eyes were on the pandemic, China and the war in Ukraine, the paths to prosperity and shared interests have grown murkier.
Don’t be fooled by its generic title. Lesley Lokko’s “Laboratory of the Future” is the most ambitious and pointedly political Venice Architecture Biennale in years.
Fungi are a public health blind spot.
Solar, wind, geothermal, battery and other alternative-energy businesses are adding workers from fossil fuel companies, where employment has fallen.
Also, the eight warmest years on record and a fragile political alliance in the Philippines.
The year 2022 was not great. But even in the midst of overlapping calamities, progress is being made.
As long as we do the best we can, and appreciate life’s fullness, we will leave the world a better place for our children.
Debate intensified over a contentious issue: the creation of a fund to help poor and vulnerable countries pay for loss and damage caused by climate change.
Humanity faces a complex knot of seemingly distinct but entangled crises that are causing damage greater than the sum of their individual harms.
Algunos países en desarrollo están haciendo acuerdos financieros que podrían darles un mayor papel en la lucha contra el cambio climático.
Developing nations are reducing their debt by pledging to protect their resources in financial deals that could give them a bigger role in the fight against climate change.
Plus Myanmar gets closer to Russia and a dire climate report.
How much should candidates disclose about their health? Also: Drone rules; political fears; future pandemics; donations and climate policy.
El filántropo habló sobre cómo la pandemia y los efectos de la guerra en Ucrania están retrasando el progreso.
The philanthropist on how the pandemic and the effects of the war in Ukraine are setting back progress.
Readers discuss an investigation into the lack of secular education at New York’s yeshivas. Also: Outdoor dining; climate-crisis deniers.
Soaring needs and wealthy countries’ focus on Ukraine have left aid agencies with too little money to address the world’s other crises, forcing them to cut programs.
The departure of a grain-filled vessel from Odesa was hailed as a victory against global hunger. But experts say the crisis is so big that no single advance can reverse it.
President Biden is under pressure — often from his own allies — to declare national emergencies on issues like climate and abortion that are roiling American culture.
Monsoon rains have devastated Pakistan’s economic hub, Karachi, adding urgency to pleas to better equip cities to handle more frequent extreme weather.
La suspensión de actividades humanas por la covid ha sido una oportunidad para entender mejor cómo afectamos a otras especies del planeta.
If only it were just about money.
Covid precautions created a global slowdown in human activity — and an opportunity to learn more about the complex ways we affect other species.
A perfect storm of climate change, a European war and Covid have left the French scrambling for alternatives.
Plus the conviction of an ailing Hong Kong activist and President Vladimir Putin’s upcoming trip to Iran.
Parts of the east and south withered under extreme temperatures, even as health workers in hazmat suits persisted in a round of mandatory coronavirus tests.
The Legislature passed some bills that are obscure but significant, in the view of climate activists.
Plus Xi Jinping visits Hong Kong and Ukraine takes back Snake Island.
La COVID-19, el cambio climático y la posibilidad de una crisis alimentaria global demuestran que los problemas del mundo están muy ligados entre sí. Y también las soluciones.
No single country can solve the problem of rising food and fuel costs.
Along with everything else, the pandemic was a huge missed opportunity.
The key Ukrainian city lost its last bridge as fighting intensifies.
Gestures of good will and concern from developed countries can hide nationalism so pointed that it amounts to something like sadism.
Moscow wants victories before its Monday holiday.