James Hansen: Why I must speak out about climate change

Published On: May 3, 2013
49 words
Views: 787

Climate scientist James Hansen tells the story of his involvement in the science of and debate over global climate change. In doing so he outlines the overwhelming evidence that change is happening and why that makes him deeply worried about the future.

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About the Author: Chris Machens

Chris Machens
Chris covers the climate since 2011, and when not posting articles to the site he usually works on our next video production.
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