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?

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

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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.