1. What to Know About Canada’s Exceptional Wildfire Season World, Today

    Wild fires started earlier, are higher in number and spread across much of the country, burning millions of acres as climate change turns more of the country’s forest into a tinderbox.

  2. The Only Positive of Smokemageddon Opinion, Yesterday

    Wildfire smoke creates local cooling — for a while.

  3. Will Wildfires Like These Become the New Normal? Climate, Yesterday

    Canada’s devastating fires and toxic smoke might not recur every year, but the heat from climate change increases the risks of a wide range of disasters.

  4. ‘How Could This Happen?’: Canadian Fires Burning Where They Rarely Have Before World, June 8

    Of the more than 400 fires burning in Canada, more than one-third are in Quebec, which has little experience with so many and such large wildfires.

  5. Why the U.S. Is Backsliding on Clean Air Climate, June 8

    Wildfire haze is erasing much of the progress made in past decades.

  6. Orange Skies, Red Alerts and the Future Opinion, June 8

    The climate crisis has started, but there’s worse to come.

  7. Where Republican Presidential Candidates Stand on Climate Change U.S., June 8

    While many of them acknowledge that climate change is real, they largely downplay the issue and reject policies that would slow rising temperatures.

  8. Eerie Days: Smoke and Haze, All Around Opinion, June 8

    Reaction to the smoke from the Canadian wildfires. Also: Sexism and xenophobia in Hollywood; Target’s L.G.B.T.Q. merchandise; “The View”; migrant opportunity.

  9. The June 8 Canada Wildfires Air Quality Smoke live blog included one standalone post:
  10. New York City Residents Will Soon Have to Compost Their Food Scraps New York, June 8

    The City Council passed a bill on Thursday requiring New Yorkers to separate their food waste from regular trash, with mandatory composting coming to all five boroughs by next year.

  11. Poor Air Quality Is Routine in Many Parts of the World U.S., June 8

    On Wednesday, New York City briefly had the worst air in the world, eclipsing some of the poorest nations.

  12. Record Pollution and Heat Herald a Season of Climate Extremes Climate, June 8

    Scientists have long warned that global warming will increase the chance of severe wildfires like those burning across Canada and heat waves like the one smothering Puerto Rico.

  13. As Smoke Darkens the Sky, the Future Becomes Clear Opinion, June 7

    There’s nowhere to escape the harm from wildfires.

  14. It’s Called the Grand Canyon, Not the Eternal Canyon Climate, June 6

    A rafting trip yields insights about a national treasure that seems permanent but is always being changed, lately by humans.

  15. Arctic Summer Could Be Practically Sea-Ice-Free by the 2030s Climate, June 6

    In a new study, scientists found that the climate milestone could come about a decade sooner than anticipated, even if planet-warming emissions are gradually reduced.

  16. The Grand Canyon, a Cathedral to Time, Is Losing Its River Interactive, June 6

    The Colorado River, which carved the Grand Canyon over millions of years, is now in crisis from climate change and overuse.

  17. The Climate Solution That’s Horrible for the Climate Opinion, June 6

    Corn ethanol and soy biodiesel accelerate food inflation and global hunger, but they’re also a disaster for the climate and the environment.

  18. In Canada’s Wilds, a Chilling Inferno Was Also an Omen Books, June 6

    In “Fire Weather,” the journalist John Vaillant makes the case that the catastrophic — and inevitable — 2016 Fort McMurray wildfire was a sign of things to come.

  19. D-Day’s Historic Beaches Face a New Onslaught: Rising Seas World, June 6

    As climate change speeds coastal erosion in France, can memory be preserved if the famous landing sites of the Allied invasion disappear?

  20. Is It Wrong to Bring a Child Into Our Warming World? Magazine, June 2

    The magazine’s Ethicist columnist on personal responsibility and climate change.

  21. A Weakened Arlene Could Bring Heavy Rain to South Florida Express, June 2

    The first named tropical storm of the Atlantic hurricane season was downgraded to a tropical depression on Saturday. It was west of Key West, Fla., and moving southeast toward Cuba.

  22. The Debt Limit Deal and Climate Action Climate, June 2

    Tucked into the measure are changes to how the government approves projects at the center of the country’s climate goals.

  23. Ajay Banga Era Begins at the World Bank Washington, June 2

    The incoming president will be under pressure to juggle the global institution’s ambitions to combat climate change and fight poverty.

  24. Biden Administration Bans Drilling Around Native American Cultural Site Climate, June 2

    The Interior Department will withdraw public lands around Chaco Canyon from new oil and gas leasing for 20 years.

  25. Arizona Limits Construction Around Phoenix as Its Water Supply Dwindles Climate, June 1

    In what could be a glimpse of the future as climate change batters the West, officials ruled there’s not enough groundwater for projects already approved.

  26. The Ocean Is Looking More Menacing Op Ed, June 1

    There are a lot of unsettling signals coming from the world’s oceans right now.

  27. Congress Is Turning Climate Gaslighting Into Law Op Ed, June 1

    The debt ceiling bill’s assertions that the Mountain Valley Pipeline is necessary and good for the climate defy logic.

  28. Arctic Risks Loom Large as Blinken Tours NATO’s North Foreign, May 31

    Russia may be having major difficulties in Ukraine, but it remains a vast power in the north and the Arctic, where climate change is opening new sea routes for trade and trouble.

  29. As U.S. Races Ahead, Europe Frets About Battery Factory Subsidies Business, May 31

    The European Union is trying to assemble the building blocks to produce electric cars, but subsidies are luring companies to the United States.

  30. New Oral History Peers Back at Obama, His Era and the Tradeoffs He Made Washington, May 31

    The first of 470 interviews of Obama administration officials and others involved in the debates of the time offer a fresh inside look at a consequential presidency.

  31. Climate Shocks Are Making Parts of America Uninsurable. It Just Got Worse. Climate, May 31

    The largest insurer in California said it would stop offering new coverage. It’s part of a broader trend of companies pulling back from dangerous areas.

  32. Debt Deal Includes a Green Light for a Contentious Pipeline Climate, May 30

    Climate activists are livid over a provision in the debt limit agreement that orders federal agencies to issue permits for the Mountain Valley Pipeline — and says courts can’t review them.

  33. More Than 16,000 Evacuated as Wildfire Rages Outside Halifax Foreign, May 30

    Wildfires in Nova Scotia have heightened the sense of unease as blazes also burn in the west of the country.

  34. Someone to Know: The Entitled Cyclist Climate, May 30

    He’s trying to show that it really is possible to get out of your car, even in Los Angeles.

  35. Ugly Fight Over Climate Bill Exposes Cracks in German Coalition Foreign, May 30

    Tensions in the three-party government have built for months. But the latest sniping is unusually fierce, raising fresh questions of dysfunction.

  36. The New Climate Law Is Working. Clean Energy Investments Are Soaring. Op Ed, May 30

    The investment wave has the potential to drive a more rapid and efficient decarbonization of the economy while increasing the supply of clean energy.

  37. You’ve Never Heard of Him, but He’s Remaking the Pollution Fight Climate, May 28

    Richard Revesz is changing the way the government calculates the cost and benefits of regulation, with far-reaching implications for climate change.

  38. Flood-Battered Italian Region May See More Violent and Frequent Storms Foreign, May 27

    Experts have linked recent deadly rains in the north of the country to climate change, but decades of urbanization and neglect helped lay the groundwork for a calamity.

  39. How Extreme Heat Causes Cascading Crises Climate, May 26

    Power grids and hospitals can be overwhelmed, but there are fixes.

  40. Will Lawmakers Sacrifice Our Health and Safety to Get a Debt Ceiling Deal? Op Ed, May 26

    A crucial part of the clean energy transition is swept up in the high-pressure negotiations happening in Washington.

  41. Just Between Us Squirrels, There Might Be Trouble in the Arctic Dating Scene Climate, May 25

    Climate change appears to be disrupting the hibernation of females in the Far North, scientists say, and that could affect mating season.

  42. Vaunted French Ban on Short Domestic Flights Is a Pale Shade of Green Foreign, May 24

    A decree formalizing the measure, which was passed in 2021, is riddled with exceptions. Critics call its effect symbolic, at best.

  43. Reimagining Rice, From the Mekong to the Mississippi Climate, May 23

    People around the world are exploring new ways to grow one of the world’s most important staple crops.

  44. Heat Wave and Blackout Would Send Half of Phoenix to E.R., Study Says Climate, May 23

    New research warns that nearly 800,000 residents would need emergency medical care for heat stroke and other illnesses in an extended power failure. Other cities are also at risk.

  45. Radical Rethinking at Biennale: Africa and the Future Share Pride of Place Culture, May 22

    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.

  46. The Colorado River Is Shrinking. See What’s Using All the Water. Interactive, May 22

    Hint: It’s less about long showers and more about what’s for dinner.

  47. In Flood-Stricken Area of Italy, Residents Fear This Won’t Be the Last of It Foreign, May 20

    Flooding upended tens of thousands of lives this week in Emilia-Romagna, a region that has also experienced drought in recent years.

  48. Alberta Is on Fire, but Climate Change Is an Election Taboo Foreign, May 20

    For politicians, discussing climate change in a province enriched by oil money is fraught.

  49. Behind the Scenes, G7 Nations Wrangle Over Ambitious Climate Commitments Foreign, May 20

    The U.S. finds itself caught between defending President Biden’s climate change agenda and aiding allies intent on increasing their access to fossil fuels.

  50. Rice. Half of Humanity Eats It. And Climate Change Is Wrecking It. Interactive, May 20

    From the Mississippi to the Mekong, farmers and researchers are finding creative fixes for the dire threats of global warming, extreme rains and sea-level rise.

  51. A ‘Canadian Armageddon’ Sets Parts of Western Canada on Fire Foreign, May 19

    Wildfires raging in Alberta and British Columbia have created a sense of panic and fear, and forced thousands of residents to evacuate from their homes.

  52. Cities vs. Rising Seas Climate, May 19

    Around the world, tens of millions could lose their homes in the coming decades. Planning is the key to protecting them.

  53. To Counter China, G7 Countries Borrow Its Economic Playbook Foreign, May 19

    Wealthy democracies rev up an effort to spend trillions on a new climate-friendly energy economy, while stealing away some of China’s manufacturing power.

  54. Go Birding With The Times Projects and Initiatives, May 18

    Shifts in bird populations can be a sign of a changing climate. This summer, help scientists learn about the birds in your area.

  55. Your Thursday Briefing: The G7 N Y T Now, May 17

    Also, hot years ahead as global temperatures rise.

  56. There’s No Escape From Wildfire Smoke Op Ed, May 17

    Even distant fires can send dangerous, imperceptible pollution to your doorstep.

  57. Canada’s Wildfires Have Been Disrupting Lives. Now, Oil and Gas Take a Hit. Climate, May 17

    Alberta’s vast oil industry is cutting production as the flames menace wells and pipelines, highlighting the danger

  58. Heat Will Likely Soar to Record Levels in Next 5 Years, New Analysis Says Climate, May 17

    The World Meteorological Organization forecast “far-reaching repercussions for health, food security, water management and the environment.”

  59. E.P.A. Announces Crackdown on Toxic Coal Ash From Landfills Climate, May 17

    Hundreds of landfills containing toxic coal ash have gone unregulated for years, posing hazards to human health and the environment.

  60. ‘Catastrophic’ Floods in Italy Leave 8 Dead and Thousands Homeless Foreign, May 17

    Intense downpours caused rivers to overflow in the northern region of Emilia-Romagna, swamping numerous cities in a catastrophe that experts described as “unprecedented.”

  61. Burning Man Becomes Latest Adversary in Geothermal Feud Business, May 17

    Festival organizers are trying to block plans to build a clean energy plant in the Nevada desert, highlighting the struggle to combat climate change and the cost of clean power.

  62. What’s a President to Do When a Nation’s Capital Is Sinking? Move It. Interactive, May 16

    Jakarta, like many places, faces an unsustainable future. Indonesia’s president is responding by building a new capital city from scratch.

  63. The ‘Skeletons’ in Big Oil’s Closet Climate, May 16

    There’s growing evidence that fossil fuel companies knew their product would harm the climate, and that’s driving lawsuits around the world.

  64. Biden Administration Approves Key Permit for West Virginia Gas Pipeline Climate, May 16

    The Mountain Valley line, which would carry gas from West Virginia to Virginia, still faces legal and regulatory hurdles.

  65. If Your House Were Falling Off a Cliff, Would You Leave? Real Estate, May 15

    Homeowners along the eastern coast of England are watching the North Sea swallow their communities. Help is on the way — but only for some.

  66. Why Some Countries Find It Hard to Move Away From Fossil Fuels Business, May 15

    Trinidad and Tobago is the No. 2 exporter of liquefied natural gas in the Americas. Its output has been falling, but it remains committed to fossil fuels.

  67. Climate Change Brings Warmer, Wetter Weather to Trinidad Business, May 15

    Even as the leaders of Trinidad and Tobago double down on fossil fuels, climate change is bringing more extreme weather to the island nation.

  68. Some U.S. Solar Makers Criticize Biden’s Tax Credits as Too Lax on China Washington, May 12

    U.S.-based manufacturers of solar products say rules issued by the Biden administration on Friday will “cement China’s dominance” over the solar industry.

  69. Your Stories: Cool, Fascinating and Fun Climate Jobs Climate, May 12

    We asked you to tell us about your careers. You had plenty to say.

  70. Will Texas Blow Up Its Energy Miracle to Bolster Fossil Fuels? Op Ed, May 12

    Legislators are moving to erect barriers to clean energy development while providing incentives for fossil fuels.

  71. A Swaggering Clean-Energy Pioneer, With $400 Billion to Hand Out Climate, May 11

    Jigar Shah runs a federal program that suddenly has a gusher of money to lend before the next election.

  72. E.P.A. Proposes First Limits on Climate Pollution From Existing Power Plants Climate, May 11

    It’s the last in a string of major regulations proposed by the Biden administration to sharply cut the greenhouse gases produced by the United States.

  73. ‘The Last of Us’ Is Right. Our Warming Planet Is a Petri Dish. Op Ed, April 2

    Fungi are a public health blind spot.

  74. As Oil Companies Stay Lean, Workers Move to Renewable Energy Business, February 27

    Solar, wind, geothermal, battery and other alternative-energy businesses are adding workers from fossil fuel companies, where employment has fallen.

  75. Your Wednesday Briefing: Shanghai’s Devastating Outbreak N Y T Now, January 10

    Also, the eight warmest years on record and a fragile political alliance in the Philippines.

  76. Cheer Up! The World Is Better Off Than You Think. Op Ed, December 31

    The year 2022 was not great. But even in the midst of overlapping calamities, progress is being made.

  77. Balancing Hope and Despair in Turbulent Times Special Sections, December 1

    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.

  78. John Kerry Tests Positive for Covid at U.N. Climate Talks, Complicating Final Hours Climate, November 18

    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.

  79. What Happens When a Cascade of Crises Collide? Op Ed, November 13

    Humanity faces a complex knot of seemingly distinct but entangled crises that are causing damage greater than the sum of their individual harms.

  80. Belice recurre a su arrecife de coral para escapar de la trampa de la deuda en Español, November 8

    Algunos países en desarrollo están haciendo acuerdos financieros que podrían darles un mayor papel en la lucha contra el cambio climático.

  81. How Belize Cut Its Debt by Fighting Global Warming Foreign, November 7

    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.

  82. Your Thursday Briefing: Iran’s Protests Intensify N Y T Now, October 26

    Plus Myanmar gets closer to Russia and a dire climate report.

  83. Should Candidates Be Transparent About Their Health? Letters, October 16

    How much should candidates disclose about their health? Also: Drone rules; political fears; future pandemics; donations and climate policy.

  84. Bill Gates: ‘Estamos en una peor situación de lo que esperaba’ en Español, September 18

    El filántropo habló sobre cómo la pandemia y los efectos de la guerra en Ucrania están retrasando el progreso.

  85. Bill Gates: ‘We’re in a Worse Place Than I Expected’ Op Ed, September 13

    The philanthropist on how the pandemic and the effects of the war in Ukraine are setting back progress.

  86. When Schools Don’t Educate Their Students Letters, September 13

    Readers discuss an investigation into the lack of secular education at New York’s yeshivas. Also: Outdoor dining; climate-crisis deniers.

  87. U.N. Faces Record Humanitarian Aid Shortfall — but Not for Ukrainians Foreign, August 22

    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.

  88. Ukraine Ships Grain at Last. It Will Take Far More to Slow Global Hunger. Foreign, August 1

    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.

  89. Biden Is Facing Crisis After Crisis. But Are They Emergencies? Washington, July 27

    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.

  90. Pakistan’s Deadly Flood Season Worsened by Climate Change and Bad Infrastructure Foreign, July 24

    Monsoon rains have devastated Pakistan’s economic hub, Karachi, adding urgency to pleas to better equip cities to handle more frequent extreme weather.

  91. ¿La naturaleza sanó durante la ‘antropausa’ pandémica? en Español, July 19

    La suspensión de actividades humanas por la covid ha sido una oportunidad para entender mejor cómo afectamos a otras especies del planeta.

  92. Climate Politics Are Worse Than You Think Op Ed, July 18

    If only it were just about money.

  93. Did Nature Heal During the Pandemic ‘Anthropause’? Science, July 16

    Covid precautions created a global slowdown in human activity — and an opportunity to learn more about the complex ways we affect other species.

  94. France Faces a Shortage of Mustard, Its Uniquely Beloved Condiment Foreign, July 14

    A perfect storm of climate change, a European war and Covid have left the French scrambling for alternatives.

  95. Your Wednesday Briefing: Extreme Heat Grips China N Y T Now, July 12

    Plus the conviction of an ailing Hong Kong activist and President Vladimir Putin’s upcoming trip to Iran.

  96. Dangerous Heat Wave Strikes China Foreign, July 12

    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.

  97. The 3 Most Important Climate Laws You’ve Never Heard Of Metro, July 8

    The Legislature passed some bills that are obscure but significant, in the view of climate activists.

  98. Your Friday Briefing: A Major U.S. Climate Ruling Dining, June 30

    Plus Xi Jinping visits Hong Kong and Ukraine takes back Snake Island.

  99. El mundo tiene que elegir: cooperar o colapsar en Español, June 20

    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.

  100. The World Has a Choice: Work Together or Fall Apart Op Ed, June 18

    No single country can solve the problem of rising food and fuel costs.

  101. What if We Had Spent the Money on Climate? Op Ed, June 15

    Along with everything else, the pandemic was a huge missed opportunity.

  102. Your Wednesday Briefing: Sievierodonetsk, Isolated N Y T Now, June 14

    The key Ukrainian city lost its last bridge as fighting intensifies.

  103. What Vaccine Apartheid Portends for the Climate Future Op Ed, May 24

    Gestures of good will and concern from developed countries can hide nationalism so pointed that it amounts to something like sadism.

  104. Your Friday Briefing: Russia Doubles Down N Y T Now, May 5

    Moscow wants victories before its Monday holiday.