There is this sweet spot in time when we have an opportunity to stop killing sharks and tunas and swordfish and other wildlife in the sea before it's too late.

Any astronaut can tell you you've got to do everything you can to learn about your life support system and then do everything you can to take care of it.

'Green' issues at last are attracting serious attention, owing to critically important links between the environment and the economy, health, and our security.

Just as we have the power to harm the ocean, we have the power to put in place policies and modify our own behavior in ways that would be an insurance policy for the future of the sea, for the creatures there, and for us, protecting special critical areas in the ocean.

Far and away, the greatest threat to the ocean, and thus to ourselves, is ignorance. But we can do something about that.

I am not in any hurry to grow up.

Never before have we known what we know.