Humans Change the World! Where do we stand with fresh water? Will there be enough for a more crowded world?
Sandra Postel, founder of the Global Water Policy Project, is recognized as one of the world's most respected authorities on fresh water issues and is hailed for her "inspiring, innovative, and practical approach" to promoting the preservation and sustainable use of Earth’s freshwater.
For more than 25 years, Postel has lectured, taught, and written prolifically on the geography of water stress and the implications for food and agriculture... Read more [...] 
