Bursting glacial lakes in Nepal

For the people of Nepal, the threats of global warming are not something they fear for the future, but something they face right now. “Glaciers are rivers frozen in time and time is running out for Nepal's glaciers,” says Ang Tshering Sherpa, the president of the Nepal Mountaineering Association and the Union of Asian Alpine Associations. He is trying to turn the world’s attention to his country’s glacial lakes, which are threatening to burst and cause massive destruction, including the trail to Mount Everest