Clean Water Act dramatically cut pollution in U.S. waterways

The 1972 Clean Water Act has driven significant improvements in U.S. water quality, according to the first comprehensive study of water pollution over the past several decades, by researchers at UC Berkeley and Iowa State ...

Arsenic in groundwater? Virginia coal ash case before court

Virginia's largest electric utility asked a federal appeals court Wednesday to overturn a judge's ruling that the company is violating federal law by discharging arsenic through groundwater into surrounding waters from a ...

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