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  • 9 years ago
On Thin Ice

On Thin Ice

Two men on a remarkable journey high in the Himalayas investigate threats to global water and food supply.Seventy-five percent of the world's fresh water is stored in glaciers, but scientists predict climate change will cause some of the world's largest glaciers to completely melt by 2030. What effect will this have on our daily lives, especially our water and food supply? With global warming falling low on a national list of American concerns, it's time to take a deeper look at what could be a global calamity in the making.In a special one-hour NOW on PBS, David Brancaccio and environmentalist Conrad Anker -- one of the world's leading high altitude climbers -- adventure to the Gangotri Glacier in the Himalayan Mountains, the source of the Ganges River, to witness the great melt and its dire consequences first-hand. The two also visit Montana's Glacier National Park to see the striking effects of global warming closer to home and learn how melting glaciers across the world can have a

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