Scientific American: Changing Habitats: To conserve plant and animal species in the face of climate change, the U.S. Fish and Wildlife Service will attempt to anticipate how habitats may shift. Image: U.S. Fish and Wildlife Service Midwest Region Climate change is a real, complex and widespread challenge that calls for a "new era of collaborative conservation." That’s the message of a new strategic plan for dealing with the effects of global warming, released last week by the U.S. Fish and Wildlife …