Maybe we’ll live to see sharks recover. Right now, that seems as improbable as seeing all these falcons. Hope is the ability to see how things could be better. The world of human affairs has long been a shadowy place, but always backlit by the light of hope. Each person can add hope to the world. A resigned person subtracts hope. The more people strive, the more change becomes likely.

Whether on'e special emphasis is global warming or child welfare, the cause is the same cause. And justice comes from the same place being human comes from: compassion.

The creatures of the sea hold special mystery, and they are among the most exciting, graceful, and beautiful on Earth. Just consider the living riot of a coral reef, the beauty of an albatross, the awesome power of a giant turtle, the grace of a dolphin. Now multiply that by the millions of creatures in the sea. Wow!

A painting is nothing more than light reflected from the surface of a pigment-covered canvas. But a great painter can make you see the depth, make you feel the underlying emotion, make you sense the larger world. That, too, is the power of science: to sense and convey the depth and dimensionality of nature, to glance at the surface and to divine the shape of the universe around us.

Try to cut down drastically on plastic. Recycle. Use less energy and more renewable energy. We can all live better by doing better for ourselves and the sea!

But one doesn't wait for a revolution. One becomes it.

The ocean is not just blank blue space but rather the habitat for amazing wildlife, and we have to take care how we use it. If we want to keep having the goods and services it provides, we have to treat it more carefully in terms of fishing and dumping.