Tag Archive: coal

Mar 15

Abandoned coal mines leave an enduring water legacy

When coal is mined in Pennsylvania, other minerals and metals including iron sulfide and aluminum are exposed and left behind. They’re typically harmless as long as they stay dry, but… Ryan: “As you get more precipitation, your water table increases. If you have too much groundwater it can fill up voids in underground coal mines …

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Permanent link to this article: http://www.currentcast.org/stormwater-management/abandoned-coal-mines-leave-an-enduring-water-legacy/

Mar 13

Coal ash goes to court

When coal is burned for power, a residue called coal ash is left behind. “It contains a slew of toxic pollutants such as arsenic, cadmium, and selenium,” says Lisa Hallowell of the nonprofit Environmental Integrity Project. She says utilities used to frequently dispose of coal ash in unlined ponds that could leak into ground and surface …

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Permanent link to this article: http://www.currentcast.org/toxic-contamination/coal-ash-goes-to-court/