Now in its sixth edition and more crucial than ever, Psychology for Sustainability applies psychological science to environmental problems that manifest when human behavior disrupts and degrades natural systems. Drawing on environmental psychology, ecopsychology, conservation psychology, and related disciplines, the authors provide an extensive review of relevant theory and research in a lively and easy-to-read style.The book is organised into four parts that follow (1) the history of psychology as a sustainability science and our current ecological crisis, (2) research methods, theory, and findings pertinent to understanding and shifting unsustainable behavior, (3) the reciprocal relationship between planetary and human health, and (4) key takeaways for how to apply psychology in the world to promote both personal and systemic change.Key features of the new edition includepedagogical features to enhance comprehension and reflectiona renewed focus on positive actionup-to-date treatment of burgeoning research and global ecological, political, and social developments.The text is carefully tailored to the length of a standard academic semester and is essential reading for courses on sustainability across disciplines. It will be invaluable to people outside academia as well, including policymakers, legislators, and those working on sustainable communities.