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Melting Glaciers Threaten World Water SupplyBANGKOK − Mountain glaciers, which act as the world's water towers, are shrinking at ever faster rates, threatening the livelihoods of millions of people and the future of countless species, a scientist said on Thursday.

Around 75 percent of the world's fresh water is stored in glacial ice, much of it in mountain areas, allowing for heavy winter rain and snow-falls to be released gradually into river networks throughout summer or dry months