Changing Planet

An Aquatic Surprise at BioBlitz 2012

Ecologist Evan Thomas of the University of Colorado looked for a decade for a green algae called Volvox.  At this year’s BioBlitz, surrounded by volunteers eager to catalog the water bugs of Lily Lake in Rocky Mountain National Park, he found it!  I asked Evan to explain his find.

Sandra Postel is director of the Global Water Policy Project and lead water expert for National Geographic’s Freshwater Initiative.  

Sandra Postel directs the independent Global Water Policy Project and lectures, writes, and consults on international water issues. She is also Freshwater Fellow of the National Geographic Society, and serves as lead water expert for the Society's freshwater initiative. Sandra is the author of several acclaimed books, including the award-winning Last Oasis, the basis for a PBS documentary. Her essay "Troubled Waters" was selected for Best American Science and Nature Writing. Sandra is a Pew Scholar in Conservation and the Environment, and has been named one of the "Scientific American 50" for her contributions to water policy.

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