We have the power to abstain from destructive behavior.

There are now more than 4,000 places in the sea around the world that have some kind of protection. The bad news: You have to look hard to find them. What you find instead is destructive fishing, mining, gas and oil exploration.

The oxygen cycle, the nitrogen cycle, the carbon cycle, the water cycle - all of these are linked to the existence of life in the sea.

We don't have to be that greedy generation that just continued to take down the underpinnings of what makes the planet work in our favor.

Not only who am I, but who are we? And where are we going? It's the "we." It's the social connections that are special to human beings.

I find the lure of the unknown irresistible.

There's a vested interest in trying to keep people smoking cigarettes.