Abandoned coal mine drainage identified as a significant source of carbon emissions

PHYSorg
Nov 1, 2025, 7:13 am196 ptsTrendingTop
For the past 250 years, people have mined coal industrially in Pennsylvania, U.S.. By 1830, the city of Pittsburgh was using more than 400 tons of the fossil fuel every day. Burning all that coal has contributed to climate change. Additionally, unremediated mines—especially those that operated before Congress…

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