In this April 18, 2011 photo, Chris Bowser of the New York State Department of Environmental Conservation, looks at American eels that were netted on the Black Creek in West Park, N.Y. Besides being a researcher in New Yorks Hudson River Estuary Program, environmental scientist Bowser leads citizen projects that collect reams of data for other scientists. (AP Photo/Mike Groll)
Blog: Citizen Science Projects, People, and Perspectives