The cobalt blue waters of Lake Tahoe were about as clear in 2021 as they were in 2020. But a broader look at clarity measurements shows there is no pattern of consistent clarity improvement over the ...

A report from UC Davis' Tahoe Environmental Research Center describes deteriorating water conditions at Clear Lake, pictured, California's largest natural freshwater lake. (Getty) The water quality of ...

Clear Lake remains in crisis, but there is new reason for hope. Once a jewel of Northern California, this ancient lake has been choking on past pollution and toxic blooms for decades. Thanks to new ...