Mongabay: Researchers published a paper last month in the journal Nature Climate Change predicting widespread death of needleleaf evergreen trees in the Southwest United States by the year 2100 due to global warming. Trees have already suffered mightily as historic drought conditions exacerbated by climate change have persisted across large portions of the Southwest, causing substantial tree death even among drought-resistant species. The U.S. Forest Service said last year that as many as 12 million trees...