This article by Brett Walton originally appeared on Circle of Blue.Rising concentrations of heat-trapping greenhouse gases in the atmosphere are reshaping the world from the top down, according to a special report on the world’s oceans and frozen regions from the United Nations climate panel.Melting glacial ice, driven by man-made temperature changes, is disrupting the supply of … Continue reading Mountain Regions, ‘Taking the Heat,’ Face Growing Hazards As Ice Melts, UN Climate Panel Warns