A new candidate was needed after the White House withdrew its previous nominee, who had drawn criticism for calling carbon dioxide the “gas of life.”
What will Pyeongchang’s environmental legacy be? Also: A Trump adviser who resigned last week says the Paris agreement is worth protecting.
More Americans than ever say that climate change is caused mainly by human activity. We talked to six people about what changed their minds.
Republicans are adding measures to appropriations bills that would gut protections of the air, water and landscape.
Aggressive action on the climate is essential to save the sports celebrated at the Winter Games and the businesses that depend on them.
Readers discuss the perilous situation in Cape Town.
An official of the Global STEM Alliance writes that a comprehensive STEM education is essential for students’ career prospects.
The government’s intelligence agencies warn of big problems ahead, despite what the president might say.
A Tennessee truck dealership lavished a local Republican congresswoman with campaign donations. It also sells “Make Trucks Great Again” caps.
There’s only one country that comes close to balancing sustainability and quality of life. Also, a study says Tuvalu isn’t shrinking after all.
While the United States may be weakening protections for wilderness, the creation of Yaguas National Park protects millions of acres from development and deforestation.
Climate change and its catastrophic effects are altering the equation for many people.
A persistent ridge of air in the Pacific is keeping winter storms away, and the Sierra snowpack, source of much of the state's water, is suffering.
How a group of five activists called the Valve Turners decided to fight global warming by doing whatever it takes.
The rule, dating from President Barack Obama’s final days in office, survived a Senate vote in 2017 but now faces formal repeal.
A broad feud over the country’s direction between hard-liners and moderates under President Rouhani is expanding into the environment, as water shortages loom.
The withdrawal sidesteps questions about whether Washington will offer financial support for international projects that could contribute to climate change.
President Trump wants to spend $1.5 trillion on rebuilding roads and bridges, but experts say failing to account for climate change will add to costs.
The E.P.A. chief this week suggested that global warming might not be a threat. An examination of Scott Pruitt’s evolving statements on climate change.
Winter athletes like the cross-country skier Jessie Diggins are demanding action on climate change.
Yes, but only until the country has the strong and serious conservative party that it needs.
The “peak oil” scare comes to naught again, like other scares.
Also this week: Scientists win a $1 million prize for mapping peat. (Yes, peat.)
On Wednesday, lawmakers in Idaho voted to gut their state’s science standards of all but a few mentions of climate change.
Idaho is the only state whose legislature has removed climate change from its education standards. Teachers and students testified for it to be reinstated.
Extreme weather linked to climate change has increased the frequency and severity of flooding, amplifying the risk of toxic spills at chemical sites.
Her family’s foundation funds groups that deny climate science. She should not sit on the board of the American Museum of Natural History.
With the effects of climate change no longer theoretical, projections more dire and action lagging, some potential parents are hesitating.
There is no “war on energy,” no “clean coal.” But now we have a war on common sense.
The White House is dropping Kathleen Hartnett White from consideration to lead the Council on Environmental Quality.
The oil giant issued a climate report, demanded by shareholders, examining the threats to its business of a move away from fossil fuels.
A new study that tracked polar bears on sea ice off Alaska found that they’re fat-burning machines. That means when food is hard to find, they lose weight fast.
By studying the natural effects of a large volcanic eruption, scientists could learn about how we might deliberately cool the planet in the future.
This South African city is running out of water, resulting in sharp restrictions that are forcing residents to reimagine how they might live.
Legal experts say many were made without fully considering the laws and procedures governing changes, making them vulnerable to legal challenges.
What you didn’t hear in the president’s State of the Union address. Also: The climate team taste-tests a fake burger.
President Trump has called the Waters of the United States rule, set to enter force in the coming weeks, “one of the worst examples of federal regulation.”
The geophysicist on climate-change deniers, optimism for the planet and women in STEM fields.
One of Africa’s richest cities is threatening to turn off the taps to its four million residents, cutting off homes and most businesses.
Speaking on a radio show in 2016, Mr. Pruitt said that Donald Trump, if elected, would act in a way that is “truly unconstitutional.”
The state’s new governor, Phil Murphy, acknowledges reality on climate change and rejoins the rest of the Northeast in a greenhouse gas control compact.
Democratic governors nationwide are taking steps to tax or price emissions within their own borders, even as Trump dismantles federal climate policy.
President Trump's comments about climate change in an interview with Piers Morgan were rich in misinformation.
In 2017 the U.S. saw some of the strongest and most expensive storms in history. As global temperatures continue to rise, things will get worse and more costly.
A state-run company in Vietnam is seeking support from the Export-Import Bank for a project that could benefit American business but is criticized by environmentalists.
Several members of the museum’s staff have sent a letter protesting Rebekah Mercer’s position on the board.
With his days as a sherpa of the Andes growing short, Americo González Caldua laments the disappearance of magnificent ice sheets he once took for granted.
The Seine River overflowed its banks for the second time in less than two years, raising questions about a potential pattern.
More than 200 scientists and other academics are asking the American Museum of Natural History to remove Rebekah Mercer, an influential donor to conservative causes, from its board.
An economic upturn led to rising fossil-fuel emissions after two years of drops, showing the task Beijing faces in fulfilling its climate promises.
The “clock,” kept by the Bulletin of the Atomic Scientists, is a symbolic measurement of scientists’ concerns about disaster.
How much do gassy cows contribute to global warming? Also: The Trump administration misses a deadline for a climate report.
Rising sea levels are forcing the country of Kiribati to make difficult choices.
Rising sea levels are forcing the nation of Kiribati to make difficult choices.
Readers discuss Mayor Bill de Blasio’s lawsuit and divestment aimed at addressing climate change.