Michael Benton looks at the potential effects of climate change on mass extinction. Rich scientific evidence comes from the history of life on Earth -- we just have to ask the right questions to find it. This talk was filmed at TEDxThessaloniki. All TEDx events are organized independently by volunteers in the spirit of TED's mission of ideas worth spreading. To learn more about TEDxSHORTS, the TEDx program, or give feedback on this episode, please visit http://go.ted.com/tedxshorts.

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