Episode 4: Gasoline

Most of the lead that is in our environment today traveled as thin particles through the air that we breathe, here in Southern California, and in any major city in the world. In this episode we will find out what cars, motels, and the state of Minnesota have to do with a history of lead. We will also hear about a few scientists that, against all odds, were trying to change the story about where lead was coming from and what it meant for our society