The cleanup event aims to improve water quality and protect wildlife habitats in the Potomac River, which supplies drinking water to over five million people. Despite recent improvements ...

Before Congress passed the Clean Water Act in 1972, U.S. factories and cities could pipe their pollution directly into ...

Potomac Riverkeeper Network members are concerned about the potential environmental impact from the Jan. 29 plane-copter crash in the Potomac River.

He described air pollution from steel mills so thick you couldn’t see, raw sewage floating into the Potomac River in Washington D.C., and so much industrial chemical waste in rivers like the ...

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ARLINGTON, Va. (AP) — Police boats combed the banks of the Potomac River on Friday, slowly scanning the shoreline in the rain as investigators sought clues into the midair collision that killed ...

Potomac by Air: Our Nation's River is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet ...

The Maryland Department of Agriculture is ramping up its black fly control program, especially in Washington County.