Reuters: High altitude glaciers in China’s remote west have shrunk by up to 18 percent over the last five years due to global warming, state media said on Friday, citing preliminary results from an on-going survey. The shrinkage was most evident in two areas in the far Western region of Xinjiang and in part of Tibet, the official Xinhua news agency said. "The change of glaciers is in fact a manifestation of the pressure upon China’s environment from global warming," it …