Are toxins in coal ash posing risks to nearby communities?

The U.S. each year produces more than 100 million tons of coal ash, a toxic substance made when coal is burned for electricity. Much of that waste is kept in active storage units around the country, where it can potentially leach into the groundwater and major waterways. Ivette Feliciano reports from one of these facilities in Missouri as part of our climate change series, "Peril & Promise."
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