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

There is an enormous amount to be learned about the sea; like most wildernesses, it has great potential.

If you make the choice to just go with the flow, that is a choice to make a difference in a negative way.

The Earth is a unique system in the universe, the only planet we know of that's hospitable for humankind.

All through college, I had frequently been the only girl in a science class - which wasn't such a bad deal.

In the past few decades, Earth's natural systems have endured more pressure than in all preceding human history.

Childcare is a huge issue for young women whose work may require them to leave their families for weeks at a time.

I love music of all kinds, but there's no greater music than the sound of my grandchildren laughing; my kids, too.

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

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

If somebody dumps something noxious in my back yard, the dumper is the last one I would call on to repair the damage.

With care and protection, with safe havens in the ocean, there is still a good chance that we can turn things around.

We're still under the weight of this impression that the ocean is too big to fail, that the planet is too big to fail.

We have found ways to capture, kill and market ocean wildlife on an unprecedented scale. It's an absolute catastrophe.

America gains most when individuals have great freedom to pursue personal goals without undue government interference.

If you think the ocean isn't important, imagine Earth without it. Mars comes to mind. No ocean, no life support system.

Far and away, the greatest threat to the ocean, and thus to ourselves, is ignorance. But we can do something about that.

We are depleting this immense diversity and abundance of life, and it matters tremendously for the future of the planet.

Great attention gets paid to rainforests because of the diversity of life there. Diversity in the oceans is even greater.

With every drop of water you drink, every breath you take, you're connected to the sea. No matter where on Earth you live.

I have lots of heroes: anyone and everyone who does whatever they can to leave the natural world better than they found it.

Eating wildlife is probably not the smartest thing that we can do in terms of maintaining the integrity of natural systems.

I suggest to everyone: Look in the mirror. Ask yourself: Who are you? What are your talents? Use them, and do what you love.

The most important part is to take on the challenge of protecting the ocean as if your life depends on it - because it does.

We are not only warming the ocean and the planet as a whole, but we are also acidifying the ocean and changing its chemistry.

The ocean is our life support system. No blue, no green. It's really a miracle that we have got a place that works in our favor.

It has taken these many hundreds of millions of years to fine-tune the Earth to a point where it is suitable for the likes of us.

The ocean governs the climate and the weather, it is taking care of the temperature and it is shaping the chemistry of our planet.

We have been far too aggressive about extracting ocean wildlife, not appreciating that there are limits and even points of no return.

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.

When I arrived on the planet, there were only two billion. Wildlife was more abundant, we were less so; now the situation is reversed.

I have heard endlessly that fish are so resilient that there is no way that you could exterminate a species. We are learning otherwise.

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.

No creature on Earth ever has organized themselves in ways that we have, with the capacity to alter the nature of nature the way we have.

We don't have to be that greedy generation that just continued to take down the underpinnings of what makes the planet work in our favor.

Use your power to do whatever it takes to secure for humankind an enduring place on this little blue speck in the universe - our only hope.

I've had the joy of spending thousands of hours under the sea. I wish I could take people along to see what I see, and to know what I know.

Life in the ocean makes Earth hospitable. We are sailing along in the universe and we have a blue engine that is making everything alright.

It's taken us a short time to change the nature of nature. In my lifetime, more change than during all preceding human history put together.

Like a shipwreck or a jetty, almost anything that forms a structure in the ocean, whether it is natural or artificial over time, collects life.

We want to believe that we can continue doing what we've done for the past thousand years and not worry about the consequences coming back to us.

Burning fossil fuels has given us the gift of seeing ourselves in new ways. But that very gift now enables us to see we've got to change our ways.

We still have 10 percent of the sharks. We still have half of the coral reefs. However, if we wait another 50 years, opportunities might well be gone.

Nearly all of the major kinds of life, divisions of life, phyla of animals, occur in the sea. Only about half of them can make it to land or freshwater.

Since the middle of the 20th century, more has been learnt about the ocean than during all preceding human history; at the same time, more has been lost.

Any astronaut can tell you you've got to do everything you can to learn about your life support system and then do everything you can to take care of it.

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.

My mother was known as the 'bird lady' of the neighborhood. Anything injured, or any unusual creature somebody found, they would always come to our doorstep.

There is this sweet spot in time when we have an opportunity to stop killing sharks and tunas and swordfish and other wildlife in the sea before it's too late.

'Green' issues at last are attracting serious attention, owing to critically important links between the environment and the economy, health, and our security.

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