National Geographic, Earth Report: State of the Planet

World Premiere Tuesday, April 22, at 9:00 PM ET/PT

National Geographic Channel examines the environmental health of the planet by reviewing the latest Environmental Performance Index (EPI). National Geographic’s Explorers-in-Residence guide viewers through Yale and Columbia University's annual EPI study to explain the intricacies of the planet's ecosystems and how best to protect them from harm.

2008 Conference of Governors on Climate Change

Eighteen governors committed to a climate change declaration, which was signed in-person by four governors at the Yale 2008 Conference of Governors on Climate Change last week.

More Information.

Watch Discussion of Governors, Watch Global Issues, State Solutions.

Governors' Declaration on Climate Change.