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Posts on Water


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The Power of a Radically Affordable Irrigation Pump

Sandra Postel Apr 19, 2012   

One of the more transformative technologies ever developed for the world’s poor farmers is a water-lifting device called a treadle pump. It looks and operates much like a Stairmaster … >>

Will Modern Phoenix Outlast the Prehistorical Hohokam?

Sandra Postel Apr 10, 2012   

Darell Duppa, a late nineteenth century pioneer of the American Southwest, may barely warrant a historical footnote, but he left one memorable legacy: he named the capital city of the state … >>

Reflections on a Thirsty Planet for World Water Day

Sandra Postel Mar 26, 2012   

The Mahanadi River in Orissa, India, ebbs to a trickle during the dry season. Photo credit: James P. Blair. Water, I have learned, means different things to … >>

Humanity’s Growing Impact on the World’s Freshwater

Sandra Postel Feb 20, 2012   

As the human population has climbed past seven billion, and the consumption per person of everything from burgers to blue jeans has risen inexorably, the finiteness of Earth’s freshwater is … >>

Texas Water District Acts to Slow Depletion of the Ogallala Aquifer

Sandra Postel Feb 13, 2012   

A group of farmers in northwest Texas began 2012 under circumstances their forbearers could scarcely imagine: they faced a limit on the amount of groundwater they could pump from their own wells … >>

Keystone XL, Clean Water and Democracy

Sandra Postel Nov 22, 2011   

In today’s economy, job creation trumps just about everything.  But for Nebraskans, at least one thing ranks higher – and that’s protecting their precious water sources.  They know, as we all should, that ample clean water is crucial for economic vitality now and for generations to come. ... >>

What's an Ecocity and Why Should We Care?

Warren Karlenzig Aug 16, 2011   

"Ecocity" is a popular designation for dozens of global urban centers. Indeed the 9th Ecocity World Summit next week in Montreal, Canada will be packed with city officials, … >>

Conservation in San Antonio is Saving More than Water

Sandra Postel Jul 15, 2011   

[Excerpt] Who would believe that a translucent sightless amphibian that dwells only in dark underground caves could force a big Texas city to not only slash its water use but make water waste … >>

New U.S. Water Rules in the Making – A Once-in-a-Generation Opportunity to Fix Past Mistakes

Sandra Postel Jun 21, 2011   

[Excerpt]  As if weeks of flooding throughout the Mississippi River basin were not enough, now those floodwaters are expected to deliver yet another big punch: the creation of a … >>

Mississippi Floods Can Be Restrained With Natural Defenses

Sandra Postel May 4, 2011   

[Excerpt] The destruction of 35 million acres of wetlands — an area the size of Illinois — in the upper Mississippi River basin has increased flood risks to cities and farms … >>