Climate Change Is Ravaging the Arctic, Report Finds


It was another very warm year in the region, leading to low winter sea ice and growing concerns over sea level rise.

Interior Official Broke Ethics Rules, Government Watchdog Concludes


A senior Interior Department official broke ethics rules when he met with his former employer to discuss Interior business, the inspector general said.

World’s Oceans Are Losing Oxygen Rapidly, Study Finds


A new report found that oxygen levels in the world’s oceans declined by 2 percent over 50 years, threatening marine life around the planet.

5 Global Trends Shaping Our Climate Future


Here's how the next 20 years are shaping up in terms of energy, and what it means for global warming.

The Most-Read Food Stories of 2019


From articles on climate change to a review of a Brooklyn institution, the most popular stories this year were ones that prompted reader discussion.

New York Loses Climate Change Fraud Case Against Exxon Mobil


A state judge ruled in favor of Exxon Mobil in a lawsuit claiming the company committed fraud in its accounting for the costs of climate change.

France to Partner with Brazil States on Amazon, Bypassing Bolsonaro


France and a group of Brazilian states plan to announce a partnership to preserve the Amazon rainforest, bypassing Brazil’s federal government after a spat between the presidents of the two countries.

Seawater Is Filled With a Sugary Feast. Here’s How Sponges Eat It.


The new research helps explain how sponges, and coral reef ecosystems, survive with limited nutrients.

As Water Runs Low, Can Life in the Outback Go On?


In Australia’s vast interior, rivers and lakes are disappearing. “We’re starting to glimpse what the future is going to be like,” one scientist said.

PG&E Reaches $13.5 Billion Deal With Wildfire Victims


The agreement could help tens of thousands of residents rebuild while helping to resolve the utility’s bankruptcy.

Can a Coal Town Reinvent Itself?


A coal town in southwestern Virginia has been trying for years. Hope is running thin.

Australia Burns Again, and Now Its Biggest City Is Choking


In Sydney, fresh air and ocean breezes have long been treated as a daily birthright. Not anymore.

California Bans Insurers From Dropping Policies Made Riskier by Climate Change


The state's unusual decision exposes the insurance industry’s miscalculation of the cost of climate change.

For Moving Mountains, or Climbing Them, Jeep’s Wrangler Goes Diesel


Gasoline engines generally have less “oomph” for grunt work. But diesel power has a drawback: emissions.

‘The Amazon Is Completely Lawless’: The Rainforest After Bolsonaro’s First Year


Deforestation in the world’s largest rainforest, an important buffer against climate change, has soared under President Jair Bolsonaro of Brazil.

Carolyn Konheim, Foe of All That Befouled a City, Dies at 81


Finding her sons’ clothes speckled with soot, a history teacher was transformed into an influential New York environmentalist with pollution in her sights.

One Thing You Can Do: Be Smart About Holiday Lights


Also this week: air pollution in augmented reality, and new climate talks

Florida Keys Deliver a Hard Message: As Seas Rise, Some Places Can’t Be Saved


A project to calculate the cost of raising roads shows that some places may not justify the vast expense, casting doubt on the future of those areas.

Why the Great Auk Is Gone for Good


New research finds that the extinction of this flightless bird was completely our fault.

Climate Change Is Accelerating, Bringing World ‘Dangerously Close’ to Irreversible Change


The acceleration climate change's effects have brought the world “dangerously close” to abrupt and irreversible changes, scientists warned. 

Report Detailing PG&E’s Failures Raises New Hurdles for Utility


A California commission’s findings in the state’s deadliest fire could make a path out of bankruptcy and probation much harder.

Carbon Dioxide Emissions Hit a Record in 2019, Even as Coal Fades


Global consumption of coal declined unexpectedly this year, but a surge in oil and gas pushed up greenhouse gas emissions over all.