Description: As we approach the twenty-first century, we are entering a new era-an era of water scarcity.
Brief description: Sandra Postel lives in Amherst, Massachusetts, where she directs the Global Water Policy Project. She is a Pew Fellow in Conservation and the Environment and a former vice president for research at the Worldwatch Institute. Her previous book, Last Oasis, now appears in eight languages and was the basis for a PBS television documentary.