For September 16, 2007. Twenty years ago today, the Montreal Protocol was opened for signature. This is the treaty that banned CFCs, the gases that damage the ozone layer. I explain the treaty, in brief, and compare the success of this treaty with the challenges of another, even more far reaching, environmental problem that we face today.
Today's episode music is 'Overpopulation,' by Flopsy Music. Our theme music is composed and performed by Marc Rose.