Environmental Science: A Study of Interrelationships, 6th Edition
Focusing on concepts from the beginning and presenting topics with a practical optimism that clearly defines both problems and possible solutions, Environmental Science: A Study of Interrelationships incorporates an easy-to-understand conceptual approach. Value priced at about $10 less than other full-color environmental science texts, this well-respected text is ideal for your nonmajors' introductory environmental science course.
Eldon D. Enger, Bradley F. Smith, and Barry W. Barker. 1998. Environmental Science: A Study of Interrelationships, 6th Edition. , () . http://nsuworks.nova.edu/occ_facbooks/73.