1. New Candidates Emerge for Trump’s Top Environmental Adviser Climate, February 21

    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.”

  2. Can the Games Be Green? Climate, February 21

    What will Pyeongchang’s environmental legacy be? Also: A Trump adviser who resigned last week says the Paris agreement is worth protecting.

  3. How Six Americans Changed Their Minds About Global Warming Interactive, February 21

    More Americans than ever say that climate change is caused mainly by human activity. We talked to six people about what changed their minds.

  4. The Dirty Little Deals That Would Foul the Environment Editorial, February 19

    Republicans are adding measures to appropriations bills that would gut protections of the air, water and landscape.

  5. Saving Winter Is About More Than Snow. It’s About Jobs. Op Ed, February 16

    Aggressive action on the climate is essential to save the sports celebrated at the Winter Games and the businesses that depend on them.

  6. A Water Crisis From Climate Change Letters, February 16

    Readers discuss the perilous situation in Cape Town.

  7. STEM Education in Idaho Letters, February 16

    An official of the Global STEM Alliance writes that a comprehensive STEM education is essential for students’ career prospects.

  8. A Spy’s Guide to Climate Change Op Ed, February 15

    The government’s intelligence agencies warn of big problems ahead, despite what the president might say.

  9. How $225,000 Can Help Secure a Pollution Loophole at Trump’s E.P.A. Investigative, February 15

    A Tennessee truck dealership lavished a local Republican congresswoman with campaign donations. It also sells “Make Trucks Great Again” caps.

  10. 7 Billion People, One Planet. Can Everyone’s Needs Be Met? Climate, February 14

    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.

  11. Peru Moves to Protect ‘One of the Last Great Intact Forests’ Science, February 14

    While the United States may be weakening protections for wilderness, the creation of Yaguas National Park protects millions of acres from development and deforestation.

  12. Climate Change, and the Question of Not Having Children Letters, February 13

    Climate change and its catastrophic effects are altering the equation for many people.

  13. A Hot, Dry Winter in California. Could It Be Drought Again? Climate, February 13

    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.

  14. ‘I’m Just More Afraid of Climate Change Than I Am of Prison’ Magazine, February 13

    How a group of five activists called the Valve Turners decided to fight global warming by doing whatever it takes.

  15. Trump Administration Targets Obama-Era Effort to Limit Methane Climate, February 12

    The rule, dating from President Barack Obama’s final days in office, survived a Senate vote in 2017 but now faces formal repeal.

  16. In Iran, Environmentalists Are Now Seen as Spies Foreign, February 12

    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.

  17. Vietnam Pulls Request for U.S. Help to Build a Coal-Fired Power Plant Business, February 11

    The withdrawal sidesteps questions about whether Washington will offer financial support for international projects that could contribute to climate change.

  18. Trump’s Infrastructure Plan May Ignore Climate Change. It Could Be Costly. Climate, February 10

    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.

  19. How to Read Between the Lines When Scott Pruitt Talks About Climate Science Climate, February 8

    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.

  20. America’s Ski Trails Are Vanishing. This Olympian Has Taken Up the Cause. Climate, February 8

    Winter athletes like the cross-country skier Jessie Diggins are demanding action on climate change.

  21. Should Republicans Vote Democratic? Op Ed, February 8

    Yes, but only until the country has the strong and serious conservative party that it needs.

  22. Apocalypse Not Op Ed, February 8

    The “peak oil” scare comes to naught again, like other scares.

  23. This Olympic Skier Wants to Save the World’s Snow Climate, February 7

    Also this week: Scientists win a $1 million prize for mapping peat. (Yes, peat.)

  24. In Fight Over Science Education in Idaho, Lawmakers Move to Minimize Climate Climate, February 7

    On Wednesday, lawmakers in Idaho voted to gut their state’s science standards of all but a few mentions of climate change.

  25. Idaho Stripped Climate Change From School Guidelines. Now, It’s a Battle. Climate, February 6

    Idaho is the only state whose legislature has removed climate change from its education standards. Teachers and students testified for it to be reinstated.

  26. Floods Are Getting Worse, and 2,500 Chemical Sites Lie in the Water’s Path Interactive, February 6

    Extreme weather linked to climate change has increased the frequency and severity of flooding, amplifying the risk of toxic spills at chemical sites.

  27. Rebekah Mercer Puts a Museum’s Credibility at Risk Op Ed, February 5

    Her family’s foundation funds groups that deny climate science. She should not sit on the board of the American Museum of Natural History.

  28. No Children Because of Climate Change? Some People Are Considering It Climate, February 5

    With the effects of climate change no longer theoretical, projections more dire and action lagging, some potential parents are hesitating.

  29. Trump’s Deceptive Energy Policy Editorial, February 4

    There is no “war on energy,” no “clean coal.” But now we have a war on common sense.

  30. Trump to Withdraw Nomination of Climate Skeptic as Top Environmental Adviser Climate, February 4

    The White House is dropping Kathleen Hartnett White from consideration to lead the Council on Environmental Quality.

  31. Exxon Studies Climate Policies and Sees ‘Little Risk’ to Bottom Line Climate, February 2

    The oil giant issued a climate report, demanded by shareholders, examining the threats to its business of a move away from fossil fuels.

  32. What Cameras on Polar Bears Show Us: It’s Tough Out There Climate, February 1

    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.

  33. The Next Big Volcano Could Briefly Cool Earth. NASA Wants to Be Ready. Climate, February 1

    By studying the natural effects of a large volcanic eruption, scientists could learn about how we might deliberately cool the planet in the future.

  34. Running Dry in Cape Town Op Ed, February 1

    This South African city is running out of water, resulting in sharp restrictions that are forcing residents to reimagine how they might live.

  35. Trump’s Environmental Rollbacks Were Fast. It Could Get Messy in Court. Climate, January 31

    Legal experts say many were made without fully considering the laws and procedures governing changes, making them vulnerable to legal challenges.

  36. The State of the Climate, One Year Into the Trump Era Climate, January 31

    What you didn’t hear in the president’s State of the Union address. Also: The climate team taste-tests a fake burger.

  37. E.P.A. Blocks Obama-Era Clean Water Rule Climate, January 31

    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.”

  38. Robin Bell Doesn’t Think Science Should Be Political Magazine, January 31

    The geophysicist on climate-change deniers, optimism for the planet and women in STEM fields.

  39. Dangerously Low on Water, Cape Town Now Faces ‘Day Zero’ Foreign, January 30

    One of Africa’s richest cities is threatening to turn off the taps to its four million residents, cutting off homes and most businesses.

  40. Scott Pruitt, the E.P.A. Chief, Assailed Trump in a 2016 Interview Climate, January 30

    Speaking on a radio show in 2016, Mr. Pruitt said that Donald Trump, if elected, would act in a way that is “truly unconstitutional.”

  41. On Climate, Gov. Murphy Brings a New Voice to New Jersey Editorial, January 29

    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.

  42. New Jersey Embraces an Idea It Once Rejected: Make Utilities Pay to Emit Carbon Climate, January 29

    Democratic governors nationwide are taking steps to tax or price emissions within their own borders, even as Trump dismantles federal climate policy.

  43. Trump Says Climate Is Both ‘Cooling’ and ‘Heating.’ He’s Only Half Right. Climate, January 29

    President Trump's comments about climate change in an interview with Piers Morgan were rich in misinformation.

  44. Billion-Dollar Storms: Is This the New Normal? Video, January 29

    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.

  45. The U.S. May Back a Vietnam Coal Plant. Russia Is Already Helping. Business, January 26

    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.

  46. Curators at Museum of Natural History Object to a Trustee Culture, January 26

    Several members of the museum’s staff have sent a letter protesting Rebekah Mercer’s position on the board.

  47. A Lifetime in Peru’s Glaciers, Slowly Melting Away Foreign, January 26

    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.

  48. Floods Leave Paris Contemplating a Wetter Future Foreign, January 26

    The Seine River overflowed its banks for the second time in less than two years, raising questions about a potential pattern.

  49. A Science Denier at the Natural History Museum? Scientists Rebel Climate, January 25

    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.

  50. China’s Emissions: More Than U.S. Plus Europe, and Still Rising Business, January 25

    An economic upturn led to rising fossil-fuel emissions after two years of drops, showing the task Beijing faces in fulfilling its climate promises.

  51. Doomsday Clock Is Set at 2 Minutes to Midnight, Closest Since 1950s Foreign, January 25

    The “clock,” kept by the Bulletin of the Atomic Scientists, is a symbolic measurement of scientists’ concerns about disaster.

  52. The Meat Question, by the Numbers Climate, January 25

    How much do gassy cows contribute to global warming? Also: The Trump administration misses a deadline for a climate report.

  53. Sinking Islands, Floating Nation Op Ed, January 24

    Rising sea levels are forcing the country of Kiribati to make difficult choices.

  54. Sinking Islands, Floating Nation Video, January 24

    Rising sea levels are forcing the nation of Kiribati to make difficult choices.

  55. New York City’s Attack on Fossil Fuel Companies Letters, January 24

    Readers discuss Mayor Bill de Blasio’s lawsuit and divestment aimed at addressing climate change.