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In this Monday, Aug, 11, 2014 photo, marine biologist Sylvia Alice Earle prepares to survey the corals off the coast of Islamorada, Fla. U.S. government scientists hope people will soon be able to go online and get a 360-degree view of reefs and other underwater wonders, much like Google Maps street view lets people look at homes. (AP Photo/Alan Diaz)
In this Monday, Aug, 11, 2014 photo, marine biologist Sylvia Alice Earle prepares to survey the corals off the coast of Islamorada, Fla. U.S. government scientists hope people will soon be able to go online and get a 360-degree view of reefs and other underwater wonders, much like Google Maps street view lets people look at homes. (AP Photo/Alan Diaz)

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Sylvia Earle: The threat to oceans is ignorance

Oceanographer Sylvia Earle talks to Christiane Amanpour about the devastating impact that plastics are having on our oceans and what we can do about it.

Sylvia Earle: The threat to oceans is ignorance

Oceanographer Sylvia Earle talks to Christiane Amanpour about the devastating impact that plastics are having on our oceans and what we can do about it.