Post Carbon Fellow Sandra Postel recently gave a talk on ‘Will We have Enough Water? Adapting to a Warming, Water-Stressed World’ for the Moos Family Speaker Series on Water Resources. Watch the video here, Sandra’s talk begins at 4:20.
Will We have Enough Water? Adapting to a Warming, Water-Stressed World
By Sandra Postel, originally published by University of Minnesota, College of Biological Sciences
February 18, 2013
Sandra Postel
Sandra Postel directs the independent Global Water Policy Project, and lectures, writes and consults on global water issues. In 2010 she was appointed Freshwater Fellow of the National Geographic Society, where she serves as lead water expert for the Society’s freshwater efforts. Sandra is co-creator of Change the Course, the national freshwater conservation and restoration campaign being pioneered by National Geographic and its partners.
During 2000-2008, Sandra was visiting senior lecturer in Environmental Studies at Mount Holyoke College, and late in that term directed the college’s Center for the Environment. From 1988 until 1994, she was vice president for research at the Worldwatch Institute. Sandra is a Pew Scholar in Conservation and the Environment, and in 2002 was named one of the Scientific American 50, an award recognizing contributions to science and technology.
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.
Tags: agriculture, small-scale irrigation, Waste, Water Supplies
Related Articles
NOW! IT’S TIME
By Zia Gallina, The Subversive Farmer
There are simpler, healthier paths we can take. With instability in more than our climate systems, it is time to examine where we live, where we draw the line.
March 2, 2026
Small-scale supply chains in action
By Zoe Gilbertson, Liflad Thoughts
We are putting the concepts mentioned into action, experimenting to see if new scales and ecosystems are possible. This creates hyper-local, context-led action held gently by a wide boundary systems view and strongly held duties of care. We cannot wait to start producing our own tangible, hold-in-your-hand, outputs.
February 27, 2026
Agrihouse at the Venice Architecture Biennale: cultivating climate resilience through land, water and collective policy
By Barbara Giorgi, Ecosystem Restoration Communities
When farmers, researchers, designers and policymakers work together, farms and bio districts can become true laboratories of resilience – capable of regenerating ecosystems while shaping fairer and more adaptive governance models.
February 25, 2026






















