Joe Biden's climate change agenda was a surprising success — and a cautionary tale for future Democratic leaders.

For most environmentalists, the day that Donald Trump got elected president in November was “a dark day.” But there was one ...

Trump calls climate change a hoax. But at the state level, the climate fight will continue — or even accelerate.

New York state Sen. Brad Hoylman-Sigal said he’s going to “supercharge” his push for a corporate climate disclosure measure, ...

The youth climate group wants bans on super PAC spending in primaries and corporate lobbyist donations to the DNC.

Ore., about his new book, "It Takes Chutzpah: How to Fight Fearlessly for Progressive Change," which is part memoir and part strategy guide.