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Yale Environment 360: The Sand Hills of Nebraska are a unique Great Plains prairie ecosystem. The rolling dunes, rising to 300 feet, cover about a quarter of the state, and because the grasses and wildflowers there are adapted to wet, sandy soil, many grow nowhere else. Thousands of ponds and lakes dot the Sand Hills, nourishing the Ogallala Aquifer.
This region is an unlikely ground zero for a growing rebellion against a different kind of sand -- the Athabascan oil sands of Alberta, 1,400 miles to the north. But that......
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Canada: As Alberta’s tar sands boom, foes target project’s lifelines
Posted by Yale Environment 360: Jim Robbins on July 6th, 2011
Posted in Water Conservation