Whatever happened to the hole in the ozone layer? - Stephanie Honchell Smith

Discover what caused the hole in the ozone layer, and how the Montreal Protocol helped restore it by banning harmful chemicals. -- In the 1980s, the world faced a huge problem: there was a rapidly expanding hole in the ozone layer. If it continued to grow, rates of skin cancer could skyrocket, photosynthesis would be impaired, agricultural production would plummet, and entire ecosystems would collapse. So, what happened? Stephanie Honchell Smith shares how decisive global cooperation helped restore the ozone layer. Lesson by Stephanie Honchell Smith, directed by Denys Spolitak. This video made possible in collaboration with Speed & Scale Learn more about how TED-Ed partnerships work: A special thanks to David Doniger who provided information and insights for the development of this video. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: Check out our merch: ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: Follow us on Facebook: Find us on Twitter: Peep us on Instagram: ---------------------------------------------- Keep Learning ---------------------------------------------- View full lesson: Dig deeper with additional resources: #digdeeper Animator’s website: Music: ---------------------------------------------- Thank you so much to our patrons for your support! Without you this video would not be possible! Anthony Benedict, Karthik Balsubramanian, Annastasshia Ames, Amy Lopez, Vinh-Thuy Nguyen, Liz Candee, Ugur Doga Sezgin, Karmi Nguyen, John C. Vesey, Yelena Baykova, Nick Johnson, Carlos H. Costa, Jennifer Kurkoski, Ryan B Harvey, Akinola Emmanuel, Jose Arcadio Valdes Franco, Sebastiaan Vleugels, Karl Laius, JY Kang, Abhishek Goel, Heidi Stolt, Nicole Sund, Karlee Finch, Mario Mejia, Denise A Pitts, Doug Henry, Keven Webb, Mihai Sandu, Deepak Iyer, Javid Gozalov, Kyanta Yap, Rebecca Reineke, William Biersdorf, Patricia Alves Panagides, Yvette Mocete, Cyrus Garay, Samuel Barbas, LadyGeek, Marin Kovachev, Penelope Misquitta, Hans Peng, Gaurav Mathur, Erik Biemans, Tony, Michelle, Katie and Josh Pedretti, Hoai Nam Tran, Kack-Kyun Kim, Michael Braun-Boghos, zjweele13, Anna-Pitschna Kunz and Edla Paniguel.