Lake Tahoe Littered with Thousands of Styrofoam Beads
The lake's shores were dusted with white following recent wintry weather. It wasn’t snow, but thousands of polystyrene beads.
Looking Back at 2023’s Volatile California Water Year
The driest three-year period on record gave way to a series of atmospheric rivers early in the year that pummeled the state.
Colorful Swirls in the Gulf of Alaska
The burst of turquoise and tan hues in Alaskan waters is in stark contrast to the snowy shoreline.
Flash Floods May Support One of the World’s Rarest Fish
Devils Hole pupfish, living within a single pool in Death Valley National Park, may cling to existence in thanks partly to flash floods.
California snowpack lowest in decade despite December storm hope
First survey of season shows snow at 25% of historical average, with brown patches of vegetation across Sierra Nevada.
First Snow Survey of Season Finds Below-Average Conditions for California
With above-average reservoir levels, El Niño, and a dry start to the water year, California is preparing for flood or dry conditions in the months ahead.
Beavers Have Engineered Ecosystems for Millennia
Lake sediment analysis in Grand Teton National Park suggest beavers have lived there for millennia and may have kept the ecosystem stable.
California Plans to Capture Winter Storm Runoff
California's Department of Water Resources encourages groundwater recharge to maximize capture of upcoming storm runoff.
Addressing Groundwater Overdraft in the Sacramento Valley
Though the Sacramento Valley has relatively abundant surface-water supplies, groundwater is also key for many of its communities and farms.
Quarter of World’s Freshwater Fish at Risk of Extinction
New assessment finds 25% of freshwater fish are at risk of extinction, and at least 17% of threatened freshwater fish species are affected by climate change.