Paris Climate Agreement
It's a "strong signal" that "Europe stands by its commitments and that our climate and energy policies work," EU Climate Commissioner said.
Eighty-one corporations have joined the White House's pledge to confront climate change.
The Science Guy breaks it down.
It's time to set the record straight.
WHAT'S HAPPENING
"We can no longer operate at this scale and act as planetary stewards."
The next 20 minutes could change your life
An interview with the foreign minister of a country that could disappear.
Without government action, they say, private investment won't be enough.
World leaders made both moral and practical progress in the debate on climate change this week.
"Solemn commitments" are necessary steps, but are "not enough," Francis tells the U.N.