Barry Woods writes via email:

Previously: (at Copenhagen) Prime Minister Gordon Brown said:

“In 25 years the glaciers that provide water for 3/4 of a billion people will disapear entirely”

Now: Himalayan Glaciers (and others) New Research Casts Doubt on Doomsday Water Shortage Predictions

http://www.scientificamerican.com/article.cfm?id=research-casts-doubt-doomsday-water-shortage-predictions

Some great quotes from various scientists in Scientific American:

He agreed that overstatements about the impacts are rampant in the Himalayas as well, saying, “The idea that 1.4 billion people are going to be without water when the glaciers melt is just not the case.

From the Andes to the Himalayas, scientists are starting to question exactly how much glaciers contribute to river water used downstream for drinking and irrigation. The answers could turn the conventional wisdom about glacier melt on its head.

Yet, scientists complain, data are often inaccurately incorporated in dire predictions of Himalayan glacial melt impacts.

Creeping hyperbole?

“Hyperbole has a way of creeping in here,” said Bryan Mark, an assistant professor of geography at Ohio State University and a researcher

Mark said he expects to find that the impact of monsoon water is greatly underestimated in the Himalayas.

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