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| First Aired: 05/20/2009 |
| Length: 43 minutes |
| Show ID: 16408 |
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Roger Revelle Centennial Symposium: Climate Change and Roles for Scientists
First Aired: 05/20/2009
Ralph Cicerone, President of the National Academy of Sciences outlines the challenges of climate change and the roles that science and scientists must play in meeting them.
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US$24.95
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