As our technology evolves, we will have the capacity to reach new, ever-increasing depths. The question is what kind of technology, in the end, do we want to deploy in the far reaches of the ocean? Tools of science, ecology and documentation, or the destructive tools of heavy industry?

The earliest memories I have of the ocean are actually stories - stories from my grandfather, the legendary ocean explorer and conservationist Jacques Cousteau. My passion for ocean conservation stems from learning at a very young age that we're all connected; we're all in this together.

Ocean acidification is often referred to as osteoporosis of the oceans because as acidity rises, shell building creatures such as lobster, oyster, crab, shrimp, and coral are unable to extract the calcium carbonate from the water that they need to build their shells and are thus unable to survive.

I've seen young people raise hundreds of thousands of dollars to fix a problem in their community. I've seen young people raise hundreds of thousands of dollars to dig wells in Africa. I've seen young people pass laws, largely impacting their communities. They do have the power to change the world.

Phoenix is an interesting example. Drive around and see the golf courses everywhere, and you see people's big green lawns. And you live in a desert! I've always remarked about the capacity of human beings to look at somewhere and move there because of its uniqueness and its beauty and then change it.

My grandfather was Jacques Cousteau, a pioneer of ocean exploration and the co-inventor of scuba diving. Back in the 1940s when he tested out his invention which allowed humans to swim freely in the ocean with a portable air source for the first time in history, very little of the ocean had been explored let alone captured on film.

I could cut my leg of; I could cut my arm off. I could gouge my eye out - I'd still probably survive, but not very well, and that's what we're doing to the ocean. It's the life support system of this planet. We've been dumping in it, we've been polluting it, we've been destroying it for decades, and we're essentially maiming ourselves.

I could cut my leg off. I could cut my arm off. I could gouge an eye out. I'd still probably survive. But not very well. And that's what we're doing to the oceans. It's the life-support system of this planet. We've been dumping in it. We've been polluting it. We've been destroying it for decades. And we're essentially maiming ourselves.

Don't eat shrimp - it's one of the most unsustainable fish. For every pound that's caught, 10 or 20 pounds of other stuff is killed and dumped back overboard. It's the number one killer of juvenile sea turtles in Mexico. Two good sustainable seafood guides that I'd recommend are from the Monterey Bay Aquarium and the Blue Ocean Institute.

There's this terrific kid in Maine who saw all the waste generated by straws handed out in restaurants. So he made up these little pop-up cards and asked restaurant owners put them on the tables to explain why straws wouldn't be handed out unless requested. Of course, the restaurant owners couldn't resist a 9-year-old kid, and so it worked.

I hate plastic bottles. Just think about it before you buy one. We pay more for a gallon of water than we do for a gallon of gas. I think people will realize that water quality standards in most municipalities are as good or better for the stuff coming out of the tap than bottled water companies. You'll save money and save the environment, too.

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