Is perfection the enemy of progress in the fight against climate change? Climate scientist Sean Davis tells the story of a time when nations came together to help save the ozone layer - despite being unsure of their first steps. This talk was filmed at TEDxBoulder. 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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