This text stresses a quantitative approach with enough real physics and other sciences used to put the topics on a sound basis for students who have had little mathematical or scientific background. It continues to cover the physics of energy and the environment. The goal of the text is to bring an understanding of the technological problems facing our society to the attention of students. This text carefully discusses the impact of our actions on the lifetimes of resources, offering motivation for the reader to become interested in the material.