Trailblazing Oceanographer Sylvia Earle On Why We Must Act Now To Safeguard The Ocean, ‘Our Life Support System’

Sylvia Earle, pioneering oceanographer who has been exploring and protecting the ocean for seven decades, talks about her new book, how our actions and climate change are hurting the ocean and what we can do to heal it, as well as her advice on being a trailblazer.