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Director of U.N. initiative discusses warming's impact on water quality, quantity

With developing nations likely to see the greatest impacts of global warming in the coming decades, the effect that warming is having on water sanitation and availability is a concern, particularly in areas that already have water quality issues. During today's OnPoint, Paul Faeth, executive director of the United Nations Foundation's Global Water Challenge, explains how climate change will impact water supplies and sanitation in both developing and industrialized countries over the next 25 years. Faeth explains which technologies have worked best to minimize water sanitation issues and explains how the international community needs to be addressing the link between climate change and water in the coming years.