Mark Hertsgaard | The Nation

A frightening new climate change study says the United States must quit carbon within ten years.

Washington and Beijing should launch an efficiency revolution, the quickest path to large emissions cuts.

The First Lady hopes to entice Americans away from their junk food past to a healthier, more delicious future.

America must step up and lead an international campaign to curb emissions. Done properly, it will green the planet and our wallets.

They respect science. But will Obama's team show the necessary spine to cut greenhouse gases and resist "clean coal" and nuclear power propaganda?

The story of the plumber who helped deliver Indiana to Obama.

The United States and the world need to launch a climate rescue plan that's at least as ambitious as the Wall Street bailout.

Sarah Palin played a key role in the Bush administration's effort to ditch the Endangered Species Act.

Senate Republicans in denial about global warming blocked a vote Friday on the Climate Security Act, setting the stage for how the next President will address the Earth's most pressing issue.

The debate over the Climate Security Act reveals a lot about how the next Congress--and the next President--will address the most urgent issue facing humanity.