In Brazil, a struggle over the future of the Amazon is taking place. The struggle will have global impact.

Climate change has left a graveyard of abandoned ski resorts on the Italian Alps—and a dwindling population of gravekeepers.

The CNN debates paid a historic amount of attention to the climate crisis—but were still embarrassingly behind the curve.

Anyone who says otherwise isn't taking climate change seriously.

Jay Inslee says the next four years "is our last chance ... to do something about it." Is he right?

A moderate alternative to the Green New Deal, "100 by '50" proposes to wait until the last possible moment to halt global warming.

This crisis deserves far more than 15 minutes of airtime.

Global warming is causing mass migrations around the world. In New York, it's forcing people from their homes in quieter ways.

From exploration to Cold War militarization, how the Arctic became the focus of the climate crisis.

The dual threat of late-season river flooding and early-season hurricanes is a sign of things to come for our warming world.

The president claimed on Monday that America is doing a great job of protecting the environment.

More than 50,000 Americans unwittingly live within 650 feet of natural gas wells, which are poorly regulated and can leak or explode.

“If we can make the meat without the animal, why wouldn’t we do that?”

At a debate held in a sinking city, only four candidates were directly asked about the climate crisis.

Washington's governor must use the first debate to emerge from obscurity—and prove that his climate plan is better than the Green New Deal.

Pope Francis's latest amendment to Catholic doctrine connects to other policies he's promoted in the past.

The conservative justices signaled they want to limit agencies' ability to regulate. That could have disastrous consequences for the planet.