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Using calculations based on satellite observations and long-term meteorological data, a new map shows that groundwater is extremely depleted across more than half of Texas, as well as areas of Alabama, the Carolinas, Colorado, Florida, Georgia, Louisiana, Michigan, Montana, New Mexico, and Oregon.
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Water-energy choke points in Texas serve as examples of a larger issue for the United States, as pointed out in a new report for the Energy and Water in a Warming World Initiative, spearheaded by the Union of Concerned Scientists.
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High temperatures and salinity concentrations along the Texas Gulf Coast are behind a toxic red tide, fish kills, and an influx of oyster parasites. Additionally, several saltwater species have been found upstream, surviving in a typically freshwater environment and signaling a large change in these delta ecosystems.
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Meteorologists are hopeful for future rainfall, though they say the current disaster was preventable. The lack of rain, which is also affecting neighboring Kenya and Ethiopia, and political instability have tipped Somalia into a food crisis that could persist, even as drought conditions abate.
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The preference for government mandates reinforces the idea that water is not like other goods.
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The Tehuacán Valley captures the tragedy and triumph of Mexico’s worst freshwater crisis in decades. In this video, meet Francisca Rosas Valencia, a leader who is working to better her community’s water future.
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For generations, the upper Great Lakes region has boasted harvests of wild rice, growing in Lake Superior and other watersheds within the basin. But disease, dams, and climate change are now endangering the uncultivated bounty.
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Extreme weather events in 2011 have been numerous and diverse, prompting some analysts to link the natural disasters to climate change. Most recently, many states are under exceptional-drought and extreme-heat advisories.
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Saturday, 03 September 2011 06:00
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There is a long history of conflicts over water. The first known water war was nearly 5,000 years ago: a conflict over irrigation ditches between the cities of Umma and Lagash in ancient Mesopotamia, between the Tigris and Euphrates rivers in what is now Iraq.
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