Here's a short list of ways the spill could lead to serious legislative change.
The U.N. Climate Summit last year elicited dozens of action plans, and some of them could make a real difference, new research finds.
The railroad industry says 2014 was its safest year on record -- but a close look at the numbers isn't going to make you feel very safe.
The GOP presidential hopeful has been a vocal supporter of the ethanol industry -- except when he bashes it.
In a commencement address at the Coast Guard Academy, the president told cadets they'll be responding to climate change throughout their careers.
The Obama administration just released a 10-year plan to grow monarch butterfly and bee populations.
Big Oil has launched a multimillion-dollar ad campaign arguing we don't need and can’t afford strong limits on ozone pollution. They're wrong.
Protesters left their kayaks behind and took to the streets to prevent workers from reaching Shell's Polar Pioneer rig, which arrived in the city last week.
When U.S. climate activists talk about diversity, they don't mean political diversity. But to make real progress, we'll need conservatives too.