Natural History Wanderings

SF Gate reports

California’s Clear Lake has been taken over by so much algae that its emerald waters are now visible from space, photos.

The satellite images, taken by NASA in mid-May, indicate that the eutrophic lake may be infested with blue-green algae, or cyanobacteria — single-celled organisms that can become potent enough to poison humans and animals, according to the United States Geological Survey.

Read more and see photos at: Troubled California lake turns so green it’s visible from space