If you make the choice to just go with the flow, that is a choice to make a difference in a negative way.

People still do not understand that a live fish is more valuable than a dead one, and that destructive fishing techniques are taking a wrecking ball to biodiversity.

I love music of all kinds, but there's no greater music than the sound of my grandchildren laughing; my kids, too.

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.

If I seem like a radical it's because I have seen things that others have not.

It's baffling why the issues relating to climate change - [which] have far more obvious and tangible and much more clear-cut evidence about the cause - have been slower for people to accept as a given.

Ten percent of the big fish still remain. There are still some blue whales. There are still some krill in Antarctica. There are a few oysters in Chesapeake Bay. Half the coral reefs are still in pretty good shape, a jeweled belt around the middle of the planet. There's still time, but not a lot, to turn things around.