Book excerpt: In this book a distinguished group of environmental experts argues that in order to solve global environmental problems, we must view them in a broad interdisciplinary perspective that recognizes the relations, the interconnected circle, among ecology, economics, and ethics. Currently the circle is broken, they say, because environmental policy is decided on short-term estimations of material return that take little account of the economic or moral burdens that will be borne by future generations if we deplete our resources now.