Can we solve global warming? Lessons from how we protected the ozone layer | Sean Davis

The Montreal Protocol proved that the world could come together and take action on climate change. Thirty years after the world’s most successful environmental treaty was signed, atmospheric scientist Sean Davis examines the world we avoided when we banned chlorofluorocarbons — and shares lessons we can carry forward to address the climate crisis in our time. Check out more TED Talks: The TED Talks channel features the best talks and performances from the TED Conference, where the world’s leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design — plus science, business, global issues, the arts and more. Follow TED on Twitter: Like TED on Facebook: Subscribe to our channel: