How Bernie Sanders made Hillary Clinton into a greener candidate

Sanders lost the primary race, but he has changed the Democratic Party and the politics of climate change.

Sea creatures are being drowned out by noise pollution, but for once we’re listening

NOAA has a big new plan to reduce the racket we're making under the sea.

India's Prime Minister Narendra Modi (L) delivers remarks to reporters after meeting with U.S. President Barack Obama (R) in the Oval Office at the White House in Washington, U.S. June 7, 2016.

Obama and India’s Prime Minister are meeting this week, but there’s a toxic elephant in the room

The Bhopal disaster launched an international legal battle that still isn't resolved decades later.

Here’s what a bleaching disaster looks like

Is that coral bleached, dead, or just taking a nap? These photos will teach you the difference.

U.S. Republican presidential candidate Donald Trump answers a question at a news conference before a campaign rally in Hampton, New Hampshire August 14, 2015.

This lobbyist denied climate change for ExxonMobil. Now he’ll do it for Trump.

Donald Trump's army of climate deniers is growing before our eyes.

Sorry, leaves — we figured out a way to do photosynthesis better than you

A new “bionic leaf” developed by Harvard scientists converts sunlight into fuel 10 times more efficiently than plain ol’ plants.

Oregon explosion reminds us that oil trains are “weapons of mass destruction”

The scene after a train derailed and caught fire “looked like the apocalypse," one first responder said.

Charles Koch really wants us all to believe he’s pro-science

Oh the irony. The fossil fuel tycoon condemns the "climate lobby" after decades of his own denial.

Tiny sea creatures are saving us from hell on earth. So why are we endangering them?

These deep-sea microorganisms are threatened by drilling and mining.