Clear Lake, one of California’s oldest and most-visited lakes, is not so clear anymore after an algal bloom turned the water cloudy and green. Images from NASA underscore the dramatic change in water ...

Clear Lake is the heart of Lake County, a popular spot for bass fishing and water sports about 2.5 hours north of San Francisco. It is also, according to a recent letter sent to the California ...

A satellite photo shows California’s largest freshwater lake has turned green, NASA reported. The photo, posted May 29 on the agency’s Earth Observatory blog online, shows the bright green hues 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 ...

Some evactions remained in place Friday evening after a fire broke out and scorched hundreds of acres north of Clear Lake in Lake County. Shortly after 12 p.m., the agency's Sonoma-Lake-Napa Unit ...

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 ...