Schreurs (Technical Univ. of Munich, Germany) and Papadakis (Australian National Univ.) have updated and extensively reworked their respected reference work with this third edition, reflecting the increased environmental concern and urgency with 130 more pages. The work begins with a chronology that becomes increasingly complex with each passing year. An introductory environmental essay tracks the worldwide expansion of the Green political movement and includes descriptions of the preeminent Green movement literature and its place within the field of environmental studies. These sources offer students comprehensive explanations of the development of political thought and theories within the movement. The A-Z section covers subject categories within the discipline and includes entries on the Green movement and related politics in individual countries. The expanded bibliography is a working tool with extensive informative listings, and it even includes categories for professional journals, think tanks, databases, portals, websites, educational resources, news sources, NGOs, environmental movements, Green parties, global conferences, international agreements, and documentaries. Worsening concerns over environmental degradations make the third edition of this reference work an essential purchase for all academic libraries. Summing Up: Essential. Lower-division undergraduates through faculty; professionals.