And he's got the hat to prove it.
Scientists have long sought to distance themselves from politics. Looks like that's starting to change, thanks to Trump.
An L.A. Times investigation reveals that utilities are picking the pockets of the poor and hurting California's climate efforts.
Critics worry it would lead schools to ditch lessons about evolution and climate change in favor of teaching ideas like creationism.
At a hearing on Tuesday, he's expected to push a bill limiting the kinds of science EPA can use.
Climate hawks have been at the forefront.
It's not all about Washington, D.C. States continue to move forward on climate and clean energy initiatives.
After signing a new climate law, she posted an epic photograph that many on social media interpreted as a jab at President Trump.
The ride-sharing company is dumping Trump after a #DeleteUber movement takes over Twitter.