Summary
Acidic drainage from thousands of abandoned coal mines across Pennsylvania turns streams a sickly orange.
But Radisav Vidic, a professor of environmental engineering at University of Pittsburgh, says those polluted waters might not be completely worthless.See the full content of this document
Extract
Unbiased Research Needed for Gas-Drilling
Because the extraction of natural gas from deep Marcellus Shale formations requires up to 4.5 million gallons of water for each well drilled, he proposes...
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