American bullfrog floating at the surface of a farm pond in Kentucky USA The Trump administration has taken aim at…
Photo: Tubbs Hill on Lake Coeur d'Alene. - Kyle Johnson for Bloomberg Businessweek The Bunker Hill Mine deposited 75 million…
Rivers and streams cover more of the Earth than previously thought and therefore play a greater role in controlling concentrations…
IMAGE: During flash flooding, water treatment systems can become overwhelmed, allowing untreated effluent and household chemicals to flow into local…
Photo: Melissa Erkel, a fish-passage biologist with the Washington Dept. of Fish and Wildlife, looks at a culvert along the…