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

Any honest inquiry into the reality of nature also yields insights about ourselves.

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.

Saving the world requires saving democracy. That requires well-informed citizens. Conservation, environment, poverty, community, education, family, health, economy- these combine to make one quest: liberty and justice for all. Whether one's 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.

Economists don't seem to have noticed that the economy sits entirely within the ecology.

Several groups have information evaluating seafood sustainability. I wrote the first such guide, and seafood pocket-guides and detailed evaluations of different seafoods are available for download from the group I founded, Blue Ocean Institute.

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.