by Laura Gilmore The iconic Great Falls of the Potomac River. In winter, the Potomac River can look deceptively quiet. The boats are gone. The lilies are dormant. Many fish are absent from the shallows. Ecologically, however, the winter months are not an off-season. Beneath the surface, the tidal freshwater Potomac River, which includes theContinueContinue reading “When the River Gets Sick: Ecological Effects of the Potomac Sewage Spill”