Summary: Research published last year shows the massive Himalayan glaciers have shrunk 10-times faster over the past four decades than during the previous seven centuries. It threatens agriculture and the water supply for millions across South Asia. Fred de Sam Lazaro reports on one project aimed at blunting the environmental impact for communities in the Himalayas. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
