USA Today: Nearly one-third of U.S. bird species “are endangered, threatened or in significant decline,” due to climate change, Department of the Interior chief Ken Salazar said Thursday. Salazar issued a report, “The State of the Birds: 2010 Report on Climate Change”, created by the U.S. Fish & Wildlife Service in collaboration with conservation groups. In it, researchers looked at five factors affecting bird species and weighed them against climate change effects. The factors were …