This visually dynamic resource chronologically covers its subject through the use of four-color maps, photos and diagrams, with substantial articles written by well known scholars. Each chapter provides entries on seven essential areas: - agriculture - wildlife and forestry - land use and management - technology and industry - pollution and human heath - human habitats - and ideology and politics. With valuable reference aids--including bibliographies, sources for further research, an extensive index, and newly designed maps--this is an indispensable tool for students and educators alike.