Thứ Tư, 31 tháng 8, 2016

NPR News: Western States Face Challenges Cleaning Up After Coal Mining

Western States Face Challenges Cleaning Up After Coal Mining
Coal companies in the West have mined an area the size of New York City — more than 400 square miles. Now they have to clean it up, and it's given rise to a whole new reclamation economy.

Read more on NPR
Environment
September 1, 2016 at 03:28AM

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