I would love to slip into the skin of a fish and know what it's like to be one. They have senses that I can only dream about. They have a lateral line down their whole body that senses motion, but maybe it does more than that.

The Exxon Valdez spill triggered a swift and strong response that changed policies about shipping, about double-hulled construction. A number of laws came into place.

Sharks are beautiful animals, and if you're lucky enough to see lots of them, that means that you're in a healthy ocean. You should be afraid if you are in the ocean and don't see sharks.

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

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