Climate News Network: US scientists worried about what global warming and climate change may do to wildlife have come up with the ultimate in creature-friendly versions of road maps or highway patrols. They want to see natural corridors that link safe habitats and ecosystems, so that as conditions change, plants and animals and the continental US is home to 800 species of bird, more than 400 kinds of mammal and more than 600 reptiles and amphibians get a chance to migrate. And, they report, only 2% of the eastern...