Associated Press: Faced with global warming, plants are heading for the hills. A study of 171 forest species in Western Europe shows that most of them are shifting their favored locations to higher, cooler spots. For the first time, research can show the “fingerprints of climate change” in the distribution of plants by altitude, and not only in sensitive ecosystems, said Jonathan Lenoir of AgroParisTech in Nancy, France. His team found “a significant upward shift of species …