Sylvia Earle has spent more than 6,000 hours underwater, including two weeks in a small structure fifty feet below the water’s surface. So when she warns about the sad state of our oceans, people tend to take notice. Earle joins us to explain why the health of our seas is so precarious, and what can be done to restore them before it’s too late.


  • Sylvia Earle Oceanographer; National Geographic Explorer-in-Residence; Author, "The World Is Blue: How Our Fate and the Ocean's Are One"

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