Over the coming year, the president will either repeat or undo one of his greatest insults to the environmental community -- and to the nation's air quality.
Grist's climate and energy blogger is returning from a year-long sabbatical. Perfect time to revisit his top 10 posts.
The fact that a carbon tax should theoretically appeal to conservatives doesn't mean it actually will. Just ask Grover Norquist.
Republicans won't approve any new climate agreement, so the Obama admin will try to adapt an old one.
The latest draft report from the Intergovernmental Panel on Climate Change centers on a really scary word: irreversible.
Now that he's running for Senate in New Hampshire, Brown has changed course and joined his GOP colleagues in outright climate denial.
A judge throws out the Hawaiian island's attempt to restrict the use of pesticides on GMO crops -- but the fight is likely to continue.
Environmental groups and agencies need to get serious about hiring people of color, says a new group. If they don't, they will quickly become obsolete.
The protests may be winding down for now, but if the history of activism tells us anything, it's that this is precisely when the longer-term changes start to unfold.