British PM Rishi Sunak: extended interview (Part 1)
Decades of overharvesting, reef damage and climate change have resulted in declining oyster populations in the U.S. and around the world. As a result, water quality suffers, storm surges threaten homes and wild habitats have disappeared. But the growing practice of farming oysters could help reverse that devastation. Scientists and experts weigh in on what it will take to rebuild this vital resource and protect the ocean for generations to come.