When the forest and the city are functionally indistinguishable, then we know we have reached sustainability.

In reality, we haven't escaped the gravity of life at all. We are still beholden to ecological laws, the same as any other life-form.

The real survivors are the Earth inhabitants that have lived millions of years without consuming their ecological capital, the base from which all abundance flows.

For businesses, biomimicry is about bringing a new discipline - biology - to the design table. It's not to write an environmental impact statement, as most biologists in business do right now.

The answers to our questions are everywhere; we just need to change the lens with which we see the world.

Virtually all native cultures that have survived without fouling their nests have acknowledged that nature knows best, and have had the humility to ask the bears and wolves and ravens and redwoods for guidance.

Green chemistry is replacing our industrial chemistry with nature's recipe book. It's not easy, because life uses only a subset of the elements in the periodic table. And we use all of them, even the toxic ones.