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Climate Change: Carbon Dioxide, Context and Certainties

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Published on Mar 13, 2014

What do we know about the levels of carbon dioxide in the atmosphere, and what is the evidence of the relationships between carbon and climate? Learn about the longest-running experiment measuring the impact of rising atmospheric CO2 on land ecosystems.

Presented by:
Bert Drake
Plant Physiologist, Senior Scientist
Smithsonian Environmental Research Center

Original Airdate: September 29, 2009

You can stay connected with the Smithsonian's upcoming online events and view a full collection of past sessions on a variety of topics.: http://www.smithsonianeducation.org/e...

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