The current problem with the human system of resource use and residual disposal is that it is wildly out of equilibrium. Competition among humans is such that we slaughter thousands of our own species annually on the roads in our haste to get somewhere faster; we let millions of babies die every year for want of clean water and a modest diet; we deliberately kill more millions of people in war, often to secure access to dwindling resources. In the last fifty years we have become more aware that our patho- logical drive for 'more' has poisoned the land, the water and the air. We are changing the.