p North American bird species are quot;facing a new threat--climate change--that could dramatically alter their habitat and food supply and push many species towards extinction,quot; said Secretary of the Interior Ken Salazar on Thursday when he announced the new report, quot; The State of the Birds: 2010 Report on Climate Change .quot; a href=http://www.scientificamerican.com/blog/post.cfm?id=report-climate-change-is-taking-a-t-2010-03-14[More]/a