Prove your humanity

In this episode, we take a look back at the very first Earth Day—from the Mad Men-era ad exec who gave Earth Day its name to some memories of how Pittsburghers celebrated the holiday back in 1970.

Listen to this episode (29:00)

Stories in this episode

  • Are Corporations Cashing in on Earth Day? - Many corporations are using Earth Day as an occasion to advertise green products. But for consumers, there's a subtle line between savvy marketing and greenwashing.