Perpetual Planet: Heroes of the Oceans

Oceanographer Sylvia Earle and a cast of marine scientists tell the story of the incredible work being done to protect our oceans fragile ecosystem. Oceanographer Sylvia Earle and a cast of marine scientists tell the story of the incredible work being done to protect our oceans fragile ecosystem. Oceanographer Sylvia Earle and a cast of marine scientists tell the story of the incredible work being done to protect our oceans fragile ecosystem. Oceanographer Sylvia Earle and a cast of marine scientists tell the story of the incredible work being done to protect our oceans fragile ecosystem.