Everyone has power. But it doesn't help if you don't use it.

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

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

It is not too late to turn things around.

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.

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.

There's plenty of water in the universe without life, but nowhere is there life without water.