'This is an excellent template for the new geology, also known as Earth systems science or environmental studies. People and the Earth is written at the introductory level and contains a seamless melding of policy implications as well as the requisite physical and biological science principles. I learned a lot reading it. I feel that this text contains the kinds of concepts that society must assimilate if the next century is to witness a better-managed planet than the past.' W. G. Ernst, W&M Arts Sciences