Scientists say baby Jesus' meteorological namesake will become a thundering hulk more often as the climate changes.
Some developing countries have oversized carbon footprints because they manufacture so much of our junk, and their factories are sending smog back our way.
British Prime Minister David Cameron seems desperate to mimic America's natural-gas boom, but plenty of hurdles stand in his way.
A leaked draft of an IPCC report says we might need mass-scale geoengineering to fend off the worst of climate change. Al Gore says that's "insane."
Slaughterhouses that want to sell horsemeat might fight back by filing a claim under the North American Free Trade Agreement.
Gov. Jerry Brown finally declared an emergency, in the midst of the worst drought in California's history.
Freight train operators won't be required to improve the safety of their tankers until next year, but they say they'll take voluntary steps in the meantime.
If the president is serious about climate change, he needs to stop promoting fossil fuels, say the Sierra Club, NRDC, EDF, and 15 other groups.
Just as importantly, Christiana Figueres says big institutional investors should triple the money they're putting into clean energy.