Canada is officially out of Kyoto, because it has no chance of meeting its targets and doesn't want to pay the fines.

A Russian research team has found plumes of methane bubbling out of the Arctic Ocean.

But maybe we should chill out about it, because methane's not as horrible as carbon dioxide?

The EPA is almost, almost ready to crack down on mercury and other pollutants exuded by coal- and oil-fired power plants.

The House is supposed to vote today on a bill to force Obama's hand on Keystone XL.

The Napsack: Use it to keep your thermostat low in the winter; take it on a camping trip in the summer.