1. How California Plans to Go Far Beyond Any Other State on Climate National, Today

    California wants to cut greenhouse gas emissions more than even President Barack Obama had proposed. But can the state pull it off, or will it falter?...

  2. Population Growth Letters, July 24

    A reader writes that family planning, birth control and voluntary abortion are keys to our environmental survival.

  3. With More Ships in the Arctic, Fears of Disaster Rise Foreign, July 23

    A decline in sea ice is allowing more marine travel, but experts say the remote region is unprepared to face an emergency at sea.

  4. A Comic Strip Mirrors the Ravages of Climate Change Business, July 23

    The newspaper strip “Arctic Circle” will focus on global warming this week to coincide with the sequel to the documentary “An Inconvenient Truth.”...

  5. China’s Other Big Export: Pollution Op Ed, July 21

    If China truly wants to be a climate leader, it needs to address its global climate footprint.

  6. A Cheap Fix for Climate Change? Pay People Not to Chop Down Trees Foreign, July 20

    A new experiment showed a simple way to save endangered chimpanzees in Uganda and slow the rate of global warming and carbon dioxide emissions.

  7. The Immense, Eternal Footprint Humanity Leaves on Earth: Plastics Climate, July 19

    More than 8 billion metric tons of plastic have been made since the 1950s, researchers found. Because it does not degrade, most is still in the environment.

  8. How Y2K Offers a Lesson for Fighting Climate Change Business, July 19

    Some remember the computing scare as a bad joke. But the collective, worldwide effort to prevent calamity could be a model for handling global warming.

  9. Talking About Climate Change With Al Gore National, July 19

    In an interview, the former vice president and climate change activist reflects on what comes after the U.S. withdrawal from the Paris agreement.

  10. Daily Report: Why the Y2K Conversion Still Matters Business, July 19

    If you think it’s been a long time since the United States tackled a nebulous problem like climate change, you’ve forgotten the scramble to fix our old computers.

  11. How a Warming Climate Will Trouble Air Travel Science, July 17

    Rising temperatures will force airlines to delay flights more often and reduce the number of passengers per plane. And it’s already happening.

  12. Mr. Trump, the Climate Change Loner Editorial, July 14

    European leaders have tried, but so far no one has been able to shake him out of his denialism.

  13. A Mystery of Seabirds, Blown Off Course and Starving Metro, July 14

    Hundreds of shearwaters arrived dying and dead on shores around New York City. Scientists suspect weather patterns altered by climate change.

  14. ‘Chasing Coral’ Bears Witness to the Death Aquatic Weekend, July 13

    Jeff Orlowski’s documentary emphasizes that climate change isn’t just an aboveground phenomenon — warmer oceans mean that coral reefs are in peril, too.

  15. If You Fix This, You Fix a Big Piece of the Climate Puzzle Interactive, July 13

    There’s no single solution for climate change, but there is one that would be more effective than others. What do you think it is?...

  16. Could the Rockaways Survive Another Sandy? Metro, July 13

    Residents are bracing for the worst, wondering whether measures taken so far are enough to keep devastation of the Queens community at bay.

  17. Climate-Altering Gases Spiked in 2016, Federal Scientists Report National, July 13

    The National Oceanic and Atmospheric Administration attributed the increase in part to the El Niño weather pattern. Its report makes no mention of human contributions.

  18. Arks of the Apocalypse Magazine, July 13

    All around the world, scientists are building repositories of everything from seeds to ice to mammal milk — racing to preserve a natural order that is fast disappearing.

  19. Warnings From Antarctica Op Ed, July 12

    An iceberg the size of Delaware has broken off, another sign of the rapid change underway on the world’s iciest continent.

  20. China’s Religious Revival Fuels Environmental Activism Foreign, July 12

    Spiritual leaders at Mao Mountain, a sacred Taoist site, emphasize a distinctly Chinese type of environmentalism. Christians, Buddhists and Muslims are embracing it, too.

  21. Era of ‘Biological Annihilation’ Is Underway, Scientists Warn Foreign, July 11

    A new paper describes the threatened mass extinction of thousands of animal species around the globe. The authors say that human activities are in large part to blame.

  22. U.S. Cities, States and Businesses Pledge to Measure Emissions National, July 11

    The coalition, led by Gov. Jerry Brown of California and Michael Bloomberg, a former mayor of New York, said it will work with experts to try to meet the targets of the Paris climate deal.

  23. In Poland, a Battle for the Fate of Europe’s Last Ancient Forest Foreign, July 11

    Environmentalists are fighting to prevent logging in Bialowieza forest, a Unesco world heritage site, but the Polish government has dismissed their concerns.

  24. How Scott Pruitt Is Delegitimizing Science Letters, July 10

    A reader criticizes an E.P.A. plan to encourage climate change skeptics to express their views.

  25. Feeling That Trump Will ‘Say Anything,’ Europe Is Less Restrained, Too Foreign, July 9

    The Group of 20 meeting, with its divisions over climate and trade, reflected a newly confrontational tone by European leaders toward the United States.

  26. World Leaders Move Forward on Climate Change, Without U.S. Foreign, July 8

    At a G-20 summit meeting marred by violent protests, 19 other member states broke decisively with President Trump, in a victory for Chancellor Angela Merkel of Germany.

  27. When Will Electric Cars Go Mainstream? It May Be Sooner Than You Think Business, July 8

    A growing number of analysts say pessimism about plug-in cars could be becoming outdated, thanks in part to plunging battery prices.

  28. This Is How I Want to Be Dead Op Ed, July 7

    In the woods, decomposing with wild things, and my burial money being used to preserve the land.

  29. ‘Chasing Coral’ on Netflix Goes Underwater to Highlight Climate Change Arts & Leisure, July 7

    This documentary explores the endangered world of coral reefs.

  30. France Plans to End Sales of Gas and Diesel Cars by 2040 Business, July 6

    The country, a major auto producer, joined Norway and India in a growing movement toward the use of electric vehicles. But the transition will be gradual.

  31. Jerry Brown Announces a Climate Summit Meeting in California Climate, July 6

    The California governor, continuing his defiance of President Trump, said that states and cities would continue climate efforts even as Washington backed away.

  32. Trump May Find Some Allies on Climate Change at G-20 Meeting Foreign, July 5

    Russia, Saudi Arabia, Turkey and Indonesia could side with the United States against the Paris climate accord at the Group of 20 meeting this week.

  33. Mayors on the Environment Letters, July 5

    A Berkeley professor writes that the mayors will not let meanspirited politics divide us and keep us from creating the world we want.

  34. Court Blocks E.P.A. Effort to Suspend Obama-Era Methane Rule National, July 3

    The ruling, on a regulation to restrict emissions from new oil and gas wells, signaled that President Trump’s plans to simply delay environmental actions are likely to face an uphill battle.

  35. The ‘Rewilding’ of a Century-Old Cranberry Bog National, July 4

    Scientists are turning a cranberry bog back into coastal wetland. The experiment is seen as a path for dormant bogs and another chance for vanishing habitat.

  36. Counseled by Industry, Not Staff, E.P.A. Chief Is Off to a Blazing Start National, July 1

    Much of President Trump’s policy agenda is mired in delay, but Scott Pruitt has already achieved a major regulatory rollback.

  37. As Beijing Joins Climate Fight, Chinese Companies Build Coal Plants Climate, July 1

    China has asserted itself as a global climate leader even as Chinese companies are planning to build half of all new coal plants at home and overseas.

  38. Obama Rues Loss of ‘American Leadership’ on Climate Change Foreign, July 1

    Speaking at a conference in Indonesia, Mr. Obama indirectly criticized President Trump for pulling out of the Paris climate agreement.

  39. E.P.A. to Give Dissenters a Voice on Climate, No Matter the Consensus National, June 30

    Scott Pruitt told coal industry executives that he would conduct a “red team-blue team” research exercise on climate change.

  40. Nuclear Power and Climate Change Letters, June 30

    Carol M. Browner, a former E.P.A. administrator, writes that we need to preserve the critical carbon-free power we get from nuclear plants.

  41. Drought in Northern China Is Worst on Record, Officials Say Foreign, June 29

    Crops are wilting, farmers and herders are desperate for water and economic losses are estimated to be at least $780 million so far.

  42. As Climate Changes, Southern States Will Suffer More Than Others Interactive, June 29

    The most detailed economic study yet of global warming’s cost to the United States finds that the Southeast and Midwest will be hardest hit.

  43. As Climate Changes, Southern States Will Suffer More Than Others Interactive, June 29

    The most detailed economic study yet of global warming’s cost to the United States finds that the Southeast and Midwest will be hardest hit.

  44. In Blow to ‘Clean Coal,’ Flawed Plant Will Burn Gas Instead National, June 28

    Southern Company built its plant in Mississippi to show how coal could be burned with fewer carbon emissions. But it never worked as designed.

  45. A Sense of Duty to Teach Climate Change National, June 28

    The New York Times asked teachers how they are approaching the subject of climate change in their classrooms.

  46. Putting Delaware’s Protected Coast Back to Work Business, June 27

    Officials are considering changing a 1971 law protecting coastal areas in hopes that reopening 14 sites to industrial development will create jobs.

  47. E.P.A. Official Pressured Scientist on Congressional Testimony, Emails Show National, June 26

    According to emails, the Environmental Protection Agency’s top staff member pressed a leading scientific adviser to alter her testimony and play down the dismissal of outside experts.

  48. Mayors, Sidestepping Trump, Vow to Fill Void on Climate Change National, June 26

    American mayors in Miami Beach for their annual meeting urged the federal government to fight global warming and vowed to step up their own efforts.