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Explore, enjoy and protect the planet - Sierra Club
Dirty coal-fired power plants spew millions of pounds of toxic wastewater—like coal ash sludge—into our rivers and lakes every year—and after decades of sitting on their ash, the Environmental Protection Agency has finally proposed updated protections to keep us safe.

Stop the sludge! Take our 5-question quiz—everyone who does will trigger a $1 donation to The Sierra Club Foundation to help us fight for clean air and water, so spread the love!
1. Take a look at this and tell us what it is: chocolaty dessert, or toxic coal byproduct?
Sludge
Fudge