Donald Trump Just Gave the Dumbest Rebuttal to Obama's Big Paris Speech

The Paris Climate Talks Will Emit 300,000 Tons of CO2

Obama has words of warning for Republicans running for president.

Obama reminds the world where he was born, because we haven't had enough of that debate, apparently.

India’s aggressive bet on solar is the most important thing it will do on climate.

Canada and Australia have done a 180 at the Paris climate talks.

The Paris Climate Talks Get Off to an Energetic Start

Diplomacy in the Shadow of Terror

“Drive cleaner. Or just pretend to,” says Volkswagen.

Obama’s New Climate Change Message: There’s Hope

A day after Beijing's worst air alert of 2015, Xi Jinping spoke of low-carbon development at COP21.

Time to Finally Get Real in Paris

Climate Change Protesters Take to the Streets, Despite Canceled Paris March

On the eve of the Paris climate conference, the Eiffel Tower went green.

Bill Gates announced something big on climate change, and is firing back on a GOP talking point in the process.

How the 2016 Presidential Candidates View Climate Change

How the Environmental Movement Has Changed

How to Invent Our Way Out of Climate Change

The Fatal Nature of Garbage Dumps

The Paris Climate Change Talks Represent a Critical Moment for the World