How the occupied became the occupiers.

Thanks to a new and frightening breed of climate denier, our chances of avoiding catastrophe just got worse.

If you live just about anywhere in the American West, you or your children and grandchildren could soon enough be facing the Age of Thirst.

The moment couldn't have been more ripe for a real advance in the fight against climate change.

Climate change might be more important to voters than most politicians think.

Denialists are dead wrong about the science. But they understand something the left still doesn’t get about the revolutionary meaning of climate change.

If a metaphorical wall of trees gets built as grassroots activists envision, it could help save the continent from hunger, poverty and climate change.

Thanks to the antidemocratic "supercommittee," the legislation singularly responsible for shaping our food system is being written behind closed doors.

It’s not hard to understand how environmental quality and economic inequality came to be joined at the hip.

While right-wingers froth over the Solyndra mess, a scandal with far higher stakes is being swept under the rug.