Global warming could be causing some glaciers to grow, a new study claims. Researchers at Newcastle University looked at temperature trends in the western Himalaya over the past century. They found warmer winters and cooler summers, combined with more snow and rainfall, could be causing some mountain glaciers to increase in size. The findings are significant, because temperature and rain and snow trends in the area impact on water availability for more than 50 million Pakistanis. Researchers focussed on the Upper Indus Basin, which is the mainstay of the national economy of Pakistan and has 170,000 sq km of irrigated...