New York Times: Over the years, Qin Xiang and his fellow scientists at a high and lonely research station in the Qilian Mountains of northwest China have tracked the inexorable effects of rising temperatures on one of Chinas most important water sources. The thing most sensitive to climate change is a glacier, said Dr. Qin, 42, as he slowly trod across an icy field of the Mengke Glacier, one of the countrys largest. In the 1970s, people thought glaciers were permanent. They didnt think that glaciers would...