Daniel Hirsch, retired head of the UC Santa Cruz environmental and nuclear policy program and an expert on Superfund cleanups, talks to Jason Fagone about what went wrong with the cleanup at the former Hunters Point Naval Shipyard — which was a lot. Hirsch says the site could have been cleaned up by now, with the money that's already spent, if the Navy, the city of San Francisco, and the Navy contractor Tetra Tech had done their jobs properly.   Learn more about your ad choices. Visit <a href="https://megaphone.fm/adchoices">megaphone.fm/adchoices</a>

The health official who helped sell shipyard homes

A billion-dollar cleanup of a former Navy base in San Francisco has been rocked by fraud. San Francisco Chronicle reporters Jason Fagone and Cynthia Dizikes explore the history of that shipyard and other Navy installations that handled toxic materials, and what’s being done to make sure the land is safe enough for new housing and other development.