Diver Peter Halmay talks about harvesting sea urchin, overfishing and Japanese uni. He has been diving for sea urchin for over 30 years, which led him to develop a tool that helps his harvest them. Halmay is the President of the Sea Urchin Harvesters' Association in California.
Halmay's invention for harvesting sea urchins
Music break: Atomic Tape by Chris Joss