It's mainly the high-end luxury market now that drives much of the fishing in the sea. It's not feeding the starving millions. It's feeding a luxury market.
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.
I personally have stopped eating seafood.
In terms of personal choices, let's all think more carefully about where we get our protein from.