Possibly Podcast Episodes

When did we start recycling?

Authors: Harrison Katz, Janek Schaller, Megan Hall

We get a lot of questions about recycling, asking what to do with aluminum cans, glass, paper, or even plastic. All this has me wondering: when did we start recycling? How did it get so popular?

What happened to the hole in the ozone layer?

Authors: Harrison Katz, Janek Schaller, Megan Hall

When I was growing up, I remember hearing about a hole in the ozone layer. It was a big deal. But I don’t really hear about that issue anymore. Is the ozone layer still in danger, and what happened to the hole?