Turnout for 350.org's International Climate Day of Action was high in New York City--and in some of the developing nations most vulnerable to effects of global warming.
A frightening new climate change study says the United States must quit carbon within ten years.
If Obama can go to Copenhagen to support Chicago's Olympic bid, he can go back for the UN climate change summit.
Nobel Peace Prize winner Wangari Maathai of Kenya on the UN deliberations and what can be expected at the climate summit in December.
More and more experts now say that climate change and population increase should be viewed together. Local politicians in developing countries often try to heat up the issue.
From soul to hip-hop: the new environmental movement has a street beat.
The Washington Post's Juliet Eilperin discusses the prospect of climate change legislation in 2009: Will the 'ACES' bill, passed in the House, also pass the Senate?
To prevent catastrophic climate change, wealthy nations must pony up on emissions cuts and subsidies to the developing world.
Rep. Donna Edwards discusses the important role progressives should play in influencing the Obama presidency.
Despite inaction over the past eight years, the United States still has a chance to reclaim a leading global role in curbing greenhouse gas emissions.