Or Chris's alternate title, "Ozone: A Big-ass Hole." The astounding story of how the planet came together to solve the pressing environmental issue of its time (under conservatives Reagan and Thatcher, no less!). With the dire threat of climate change looming, what can we learn from this story going forward?

This episode features Jamie Lochhead, the director of the PBS documentary 'The Hole: How We Saved the Planet." Plus the latest climate news of the week.