CAFOs often store animal waste in massive, open-air lagoons, like this one at Vanguard Farms in Chocowinity, North Carolina. Bacteria…
Photo: The Great Barrier Reef, Northern Queensland, Australia Rivers deliver sediment from land to the ocean. This sediment contains nutrients…
Photo: The Elliptio complanate freshwater mussel, one of the two species used in the experiment. Credit: Westcott Phillip Elevated concentrations…
Certain groups of animals are declining at an alarming rate—and none more so than those living in freshwater. This year’s…
Photo © KEN ARCHER By J. Dale James, Ph.D., and Ellen R. Herbert, Ph.D. Wetlands are among the most valuable…