Water & Oceans

"One of the two dams on the Elwha River has been completely removed and there are about 50 feet of the remaining Glines Canyon dam left. Already so much sediment has been released that its clogged up and shut down one of the water treatment plants in nearby Port Angeles, temporarily halting the largest dam removal project in U.S. history."

"Acidification is an additional stress on an ecosystem already under pressure from rapid sea ice loss, study warns."

"The Arctic ecosystem, already under pressure from record ice melts, faces another potential threat in the form of rapid acidification of the ocean, according to an international study published on Monday.

"Behold the tiny oyster. No, not on the half-shell, with a squirt of lemon, but in its watery habitat, the Choptank River. Out there on a reef with many other oysters, the bivalve is awesome, a janitor that helps remove pollution with incredible efficiency."

"Recent flooding of the 263-mile-long Grand River led to runoff issues, sewage overflows, and an increased awareness of the river’s significance to the region."

"The Obama administration has agreed by July 1 to map out areas to protect nesting beaches for endangered loggerhead sea turtles as part of a legal settlement with conservation groups."

"By taking sophisticated instrument readings of the snow depth and reflected sunlight, researchers hope to improve the accuracy of runoff forecasts."

"The founders never expected to live in the desert; the Constitution's primary mechanism for divvying up shared water doesn't work."

"Scientists say waste-treatment plants must follow subways and power stations in being protected against climate change."