Post Gazette: Bad news about the health of planet Earth has kept up a steady drumbeat lately just this week the National Audubon Society released a report on the effect of climate change on birds concluding that as many as 314 out of 588 North American species will lose more than half of their climatic range by 2080. Of those, 126 are considered climate endangered. Yet amid the warning drums, a rallying trumpet of hope has sounded, not on climate change directly but a related problem. According to a U.N. scientific...