Dive deeper into the oceanographer's vision for a global network of marine protected areas.
The executive order brings Sylvia Earle's wish for a "hope spot" in the ocean one step closer to reality.
We asked Sylvia Earle for her menu advice. Here's her take on omega oils, tuna rolls and her ideal meal.
Under the sea
Watch more TED Talks about the wonder of our oceans -- and the threats facing them.