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James Hansen: Why I must speak out about climate change

4 członkowie

Top 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.

Następny odcinek
S2012E08 - Jennifer Pahlka: Coding a better government

Odcinki (144)

Sezon 2012

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