Nature Conservancy's M.A. Sanjayan Talks with David Letterman

Thomas Schueneman

Nature Conservancy's M.A. Sanjayan tries to give hope and optimism to David Letterman

Dr. M.A. Sanjayan, lead scientist for the Nature Conservancy, tries to discourage David Letterman's pessimism that society can step up to the environmental challenges we face, saying there is time and opportunity for this to be history's "greatest generation."


Living Planet