The EPA just tightened its rule on ozone pollution, but not nearly enough.
Activists are pushing to make climate a major topic in the Democratic primary debates, and that's a great idea for a number of reasons.
Brazil is now the first major developing country to pledge absolute reductions in emissions -- and for that, you can thank China.
With the battle against the Keystone XL pipeline expected to be over soon, climate activists are pivoting to their next campaign.
Under pressure from activists and rivals, Clinton now says Keystone XL would be bad for the climate.
… and 4 reasons why you still shouldn’t get your hopes up too much.
The New York Times is being racist, classist, and colonialist when it writes about rich white people discovering off-the-radar neighborhoods.
In a car-dependent state, where too many citizens don't have good transportation options, it's a hard lift to slash gasoline consumption.
At the Republican debate, Rubio didn't deny climate science (progress?), but he spewed a series of untruths about Obama's climate policies.