The value of sharks' lives is now widely understood to be more important than their value as products. And when you have sharks in an area, it's a sign of good health. They're top predators, which means they feed on old, sick, and slower fish, keeping an entire population healthy.

Fortunately, we know more about the problems that we have than in all preceding history. We know now the consequences of the things that we put into the air, into the water - of the way we treat life on Earth.

If the sea is sick, we'll feel it. If it dies, we die. Our future and the state of the oceans are one.

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.

When I first ventured into the Gulf of Mexico in the 1950s, the sea appeared to be a blue infinity too large, too wild to be harmed by anything that people could do.

Our job is to keep what is working intact and not destroy what we have got.

Fish from all over the world, from deep in the sea, wind up in countries from Germany to Japan. That is just crazy.