COP21

Despite continued inaction by Congress, March was a really good month for clean-energy reform.

Can sports teams muscle environmentalism into the mainstream?

Amid conflicting assessments of the Paris Agreement, two things are clear: World governments still love carbon markets, and COP21 went a long way toward simply giving slash-and-burn agriculture a makeover.

The death of Antonin Scalia may have spared the historic agreement from a premature demise, but its constitutional underpinnings are still in jeopardy.

As the Roberts court issues a stay on Obama's Clean Power Plan, the future of U.S. climate commitments remains uncertain.

How India builds its energy grid could decide the fate of humanity. Maybe we should help the country out.

It would be difficult but not impossible for a Republican president to undo the Paris Agreement. For that reason alone, the 2016 election is about whether the world has a future.

Cities, states, and businesses—not just those world leaders in Paris—will save us from climate change. Here’s what they’re going to do.

Here are the Senate’s options for trying to muck up the international agreement made in Paris.

After dancing around the margins of the COP, on December 12, civil society finally got its day in the spotlight.

Optimism reigns as world leaders gavel a landmark climate deal at COP21.

Climate change affects women disproportionately—yet tensions among Middle Eastern states, and a dearth of women at COP21, mean the final agreement is unlikely to do much for them.

The rise of Donald Trump adds urgency to the fight for climate justice—and reminds us what that fight is really about.

Yesterday, the ministers pulled an all-nighter with Laurent Fabius to produce the penultimate draft of a climate agreement. Resigned to a toothless deal, activists plan their next steps.

A foundational figure in America’s contemporary green movement, McKibben says whatever the outcome of COP21, it is citizens who must exert the power.

They number over 100 million. There's a new one every second. And—despite whatever you've heard—almost none of them are relocating to the West.

Esau Sinnok has traveled 4,500 miles to defend his small barrier island against a climate that threatens to sink it.

How to decipher the Russian president’s mystifying statements on global warming.

The tensions at this year's summit have yielded scenes of strange beauty.

Inside the growing evangelical movement to acknowledge the reality—and the victims—of climate change.

The tiny South Asian kingdom of Bhutan absorbs three times as much carbon as it emits.

Major powers make a major concession on their stated climate targets. Given the money and the science, that concession remains largely rhetorical.

Here are the best- and worst-case outcomes for the Paris climate talks.

The closing week of COP21 will be defined by how—and whether—parties can agree to frame the final document around these three crucial words.