Marine Biologist: Sylvia Earle
From KQED Quest
on September 1, 2009
She's spent much of the last five decades exploring and protecting the world's oceans. Find out why legendary marine biologist Sylvia Earle thinks that we may only have a few years left to save what she calls "the blue heart of the planet."
Original Air Date: Tuesday, Jul 7, 2009
Tags: marine biology, ocean, Sylvia Earle