In 2012 — when he was just 18 — Dutch inventor and entrepreneur Boyan Slat gave his first TEDx Talk about cleaning up the ocean .

In his talk, he laid out his idea for cleaning up the Great Pacific Garbage Patch, an enormous and still-growing island of plastic and other trash hanging out in the north Pacific ocean between California and Hawaii.

The Great Pacific Garbage Patch was first discovered in 1997 by sailor and ocean researcher Charles Moore when he was participating in the Transpacific Yacht Race.

Keep Reading Show less
Heroes

When Boyan Slat was 16 years old, he decided to try to save the ocean.

"I've always been making stuff," Slat said. Now he's 21, a young man with full hair, and he says he's been an inventor since he was young. He built tree houses and ziplines in his native Netherlands as a child. And once, when he was 12, he decided to see what would happen if he launched 250 model rockets at the same time.

"I liked problem-solving, but what I didn't really have was a real problem to work on."

Keep Reading Show less
Heroes

In 2016, "the longest floating structure in world history" will be placed in the ocean.

Don't worry — it's not another super yacht or party barge or some other contraption that will further pollute the ocean.

Nope, this is a good thing.

Keep Reading Show less
Heroes