Nat Geo week

National Geographic Magazine's executive editor for the environment, Dennis Dimick discussed issues of water and the environment with Sandra Postel, director of the Global Water Policy Project. The two spoke on the importance of water including the uses, how it pollutes our environment, and how it is changing our planet.

Marine ecologist, Enric Sala explains the importance of mitigating human impact on the marine environment. Sala presented Chautauquans with a slideshow of the most remote and untouched areas of marine life.