Ten percent of the big fish still remain. There are still some blue whales. There are still some krill in Antarctica. There are a few oysters in Chesapeake Bay. Half the coral reefs are still in pretty good shape, a jeweled belt around the middle of the planet. There's still time, but not a lot, to turn things around.

In July 2012 Earle led an expedition to NOAA's Aquarius underwater laboratory located off Key Largo Florida. The World Is Blue: How Our Fate and the Ocean's Are One.  
Earle Sylvia (2009).

S. Sylvia Alice Earle (born August 30 1935 in Gibbstown New Jersey) is an American oceanographer aquanaut and author. Sylvia Earle was named by Time Magazine as the first Hero for the Planet.