SANDRA POSTEL: Differences Between Water & Oil Supply

"Water is life. Water is energy. There is NO SUBSTITUTE for water. Most critically, our freshwater supply is extremely finite. Living within the boundaries imposed by our water supply is the greatest challenge humanity faces."

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"Sandra Postel is a leading authority and prolific author on international water issues; she directs the independent Global Water Policy Project and in March 2010 she was named the National Geographic Society's first Freshwater Fellow.

In 1992 Postel authored Last Oasis: Facing Water Scarcity, which now appears in eight languages and was the basis for a PBS documentary that aired in 1997. She is also author of Pillar of Sand: Can the Irrigation Miracle Last? (1999) and co-author of Rivers for Life: Managing Water for People and Nature (2003). Her article "Troubled Waters" was selected for inclusion in the 2001 edition of Best American Science and Nature Writing. Sandra has authored well over 100 articles for popular, scholarly, and news publications, including Science, Scientific American, Foreign Policy, The New York Times, and The Washington Post."

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