The essential reference to this critical topic and the only work of its kind, the four-volume Encyclopedia of American Environmental History begins with eight broad thematic essays, which highlight the major issues and topics in environmental history and serve as an entryway to other, more specific articles throughout the reference. Arranged alphabetically, more than 750 articles cover every significant issue, event, law, and figure in U.S. environmental history. All articles are written and signed by leading environmental historians, scholars, and experts, many of them members of the American Society for Environmental History (ASEH). The Board of Advisers is composed of a wide array of distinguished historians, and many of them are ASEH founders and members. Useful reference features include 200 illustrations, 100 original documents, 80 maps, 20 charts, a master chronology, bibliography, and an index.