★ 9.0
★ 8.0
★ 7.6
★ 5.0
★ 6.7
★ 0.0
★ 4.2
★ 6.6
★ 7.8
★ 7.0
★ 5.1
★ 7.4
★ 6.9
★ 4.4
★ 7.9
Oceanographer Sylvia Earle and a cast of marine scientists tell the story of the incredible work being done to protect our oceans fragile ecosystem.
