Our identity includes our natural world, how we move through it, how we interact with it and how it sustains us.

Thanks to evolution, our bodies have powerful ways to ward off illness and infection and enable us to live long and healthy lives. Why, then, do health costs continue to climb at unsustainable and frightening rates?

Even meeting Kyoto targets barely makes a dent in what we have to achieve.

Environmentali sm is really about seeing our place in world in a way that humans have always known up until very recently - that we are part of nature-utterly dependent on the natural world for our well being and survival.

For the sake of our health, our children and grandchildren and even our economic well-being, we must make protecting the planet our top priority.

A book is like a single tree in a forest, in that it exists in conjunction with and because of a great many others around it.

We have much to learn by studying nature and taking the time to tease out its secrets.