Show Notes
You might remember the chaos about a hole in the ozone layer back in the 1980s and 90s.
The protective layer above the Earth protecting us from harmful UV radiation that was being stripped away?
Well, now the hole is on its way to a full recovery! But humans have a knack for screwing things up and the ozone layer is no exception.
Dr Sophie Calabretto talks to Cosmos Magazine journalist Ellen Phiddian about how we overcame this environmental hurdle and the latest threat that could catapult us right back to where we started. See omnystudio.com/listener for privacy information.
More from The Science Briefing
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Migratory birds travel astronomical distances every year, spanning the entire globe.
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