The end of commercial fishing is predicted long before the middle of the 21st century.

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.

The ocean seemed like a sea of Eden. But now we are facing paradise lost.

Meat reared on land matures relatively quickly, and it takes only a few pounds of plants to produce a pound of meat.

I actually love diving at night; you see a lot of fish then that you don't see in the daytime.

Throughout all of human history we have consumed the natural world. All creatures do. Birds do. Fish do. Earthworms do. We consume the natural world as a source of our survival. But no creature has ever consumed at the scale that humans have, and now there are seven billion of us. I think the good news is that a large percentage of those seven billion minds can work to make better decisions.

In terms of personal choices, let's all think more carefully about where we get our protein from.