The Potomac River has earned a “B” grade from the Potomac River Conservancy after they released its report at a news conference Tuesday on the health of the river that runs into the Chesapeake Bay.
The Potomac is rated every year based on the health of pollution, fish, habitat, land and people. There have been big improvements over the past several years.
Researchers in Britain have found that 1/5 of male freshwater fish in the U.K. have become intersex due to oral contraceptives and other drugs in the water.