Living on Earth: CURWOOD: Nowhere is climate disruption more dramatically apparent than on the roof of the world – where some experts predict Himalayan glaciers may be gone in as few as 40 years. The snows of the Himalayas feed the headwaters of the Yellow, Yangtze, Ganges and Mekong Rivers and provide drinking water for billions throughout Asia. Now local residents in Nepal who depend on tourists and climbers are starting to speak out about the dangers and demanding action – among them Dawa …