Mark Hertsgaard | The Nation

Bucking its reputation as a city addicted to the automobile, Long Beach, California, establishes the nation’s first officially “bike-friendly” business districts.

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

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

Mayor Mike makes a $50 million donation to help the Sierra Club's “Beyond Coal” campaign. Meanwhile, Bill McKibben and Naomi Klein rally over a thousand demonstrators for civil disobedience against tar sands.

PowerShift's green organizers descended on Washington this weekend and gave Obama some tough love.

When it looked like Obama might cave to the Republican attack on the EPA, the outcry from environmental organizations was swift. And it worked.

Even as Fukushima threatens to unleash the greatest nuclear catastrophe since Chernobyl, the president champions nuclear power in the United States.

Some 200 activists, including Rep. Donna Edwards, jumped into the icy Potomac River to urge government action on global warming.