David Gelles

Despite endorsing a transition away from fossil fuels last year, Saudi officials have since worked to undermine it in at least five U.N. forums, diplomats said.

By Lisa Friedman

Senior ministers are arriving in an effort to break a deadlock over the summit’s main goal: funding to help lower-income countries hit hard by global warming.

By David Gelles and Brad Plumer

The U.N. climate summit in Azerbaijan has cleared the way for aid to flow when lower-income countries are hit.

By David Gelles

American officials are seeking to assure the world that U.S. climate action won’t end with the return of Donald Trump as president.

By David Gelles

Growing worldwide energy demand and other factors have shifted the calculus, but hurdles still lie ahead.

By Brad Plumer

Negotiators agree that trillions are needed to help lower-income countries adapt and cope, but not on who should pay.

By David Gelles and Brad Plumer

At the U.N. climate conference in Azerbaijan, world leaders are gathered in a petrostate to discuss the uncertain future of global climate policy.

By David Gelles

Negotiators at the summit in Azerbaijan fear that the return of Donald Trump will sap momentum for global climate action.

By Brad Plumer and David Gelles

As the world gathers for U.N. climate negotiations in Azerbaijan next week, here’s what we will be watching.

By David Gelles

Diplomats and leaders from around the world are gathering for annual climate negotiations. Here’s what they’re all about and what Donald Trump’s victory means for the meeting.

By David Gelles

The head of the World Bank on what comes next after the U.S. election.

By David Gelles

As the nation heads to the polls, here’s a guide to understanding the biggest climate and environmental issues at stake.

By David Gelles

The former president says he wants “clean air and clean water,” but he has rolled back environmental rules and dismissed the scientific consensus on climate change.

By David Gelles

Here’s the story of Squilla, a rare North Atlantic right whale mother, and her firstborn. To help their species continue, they’d have to navigate an increasingly dangerous ocean.

By Catrin Einhorn

Mr. Gates said in a statement to The Times that “this election is different,” reflecting a significant change in his political strategy.

By Theodore Schleifer

Big tech companies say A.I. can help solve climate change, even as it’s driving up their emissions and raising doubts about their climate goals.

By David Gelles

Millions of Americans have moved to the Sunshine State over the last several decades, only to see Florida’s future collide with climate change.

By David Gelles

In a new weekly feature of our Climate Forward newsletter, we’re covering the vast amount of investment, ingenuity and scientific expertise that are going toward stopping climate change.

By David Gelles

In our new weekly series, we’re covering the vast amount of investment, ingenuity and scientific expertise going toward stopping climate change.

By David Gelles

The Times hosted leaders and policymakers to talk about growing threats of climate change, and spoke with the C.E.O. of Occidental Petroleum.

By David Gelles