From NOVA PBS Official.

In the 1980s scientists discovered a crucial part of the Earth’s atmosphere was extremely thin.

The extreme thinning of the Ozone layer threatened to bring on a global crisis from destroying plants and ecosystems to sky-high skin cancer rates. So, what happened?

Calling all NOVA superfans to join our new community! Get access to exclusive content, badges, emojis and more:
https://www.youtube.com/channel/UCjHz5SVHeMT0AViCYZvsGDA/join

Shop official NOVA 50th anniversary merch: https://nova-shop.org/

Follow on social for more NOVA content
Twitter: https://twitter.com/novapbs
Instagram: https://www.instagram.com/novapbs
TikTok: https://www.tiktok.com/@novapbs