Cousteau, who is the grandson of French explorer and ecologist Jacques-Yves Cousteau, appeared on "Real Time with Bill Maher" on Friday and explained what the country's worst oil spill in history will mean for oceans that are already suffering from pollution and overfishing.
"I could cut my leg off, I could cut my arm off, I could gouge my eye out, I'd still probably survive, but not very well," Cousteau said. "And that's what we're doing to our oceans."
Pointing to massive annual dead zones off the U.S. coast, Cousteau explained that our oceans are past their tipping point:
Cousteau: The Florida Keys, third longest barrier reef in the world, is a dead zone. Ninety percent of the big fish, the tuna, the sharks, and other things, are already gone in the oceans. There's a dead zone in the Gulf Of Mexico every summer the size of New Jersey, where there's not enough oxygen for things to live. So it's not a question of 'Can the oceans take any more?' The oceans can't take any more. They couldn't take any more fifty years ago. The question is, when are we going to stop?