The authors designed this textbook from the ground up to meet the needs of a one-semester course. It is 20 chapters in length and approximately 350-400 pages; just the right breadth and depth for instructors to teach and students to grasp.
This course uses the basic principles of biology and earth science as a context for understanding environmental policies and resource management practices.
Course: Environmental Sciences
Biology 2e by 
The Basics of General, Organic, and Biological Chemistry by