Federal climate policymakers should have a grounding in basic chemistry.

The start of an avalanche is more about the snow than the slope.

The sea level rise expected in the coming century will swamp the Everglades unless current management is adjusted or climate change is curbed.

A kilometers-long ice core from Antarctica has been recording climate information for the past 800,000 years and has revealed a three millennia–long period when carbon dioxide levels in the air were lower than any previously measured.

“New Orleans, at the end of the century, will be an island” — literally, predicts Bruce Babbitt. Whether or not you believe his assessment, he makes a good case for considering the implications of climate change when planning federal projects.

Fossil-fuel pollution has been offsetting global warming to the tune of about 30 percent per year. Cleaning up that pollution, a must, threatens to accelerate warming unless humanity changes its fuel-use strategy.

An unusual layer of rock found along Britain's northwestern coast formed from the debris thrown out of a crater when a meteorite struck nearby more than 1 billion years ago.