Climate change poses many challenges that affect society and the natural world. With these challenges, however, come opportunities to respond. By taking steps t

Summarizes the science of climate change and impacts on the United States, for the public and policymakers.

The report reviews a draft strategic plan from the U.S. Climate Change Science Program, a program formed in 2002 to coordinate and direct U.S. efforts in climat

Climate change is occurring. It is very likely caused by the emission of greenhouse gases from human activities, and poses significant risks for a range of huma