Baer, Hans A. Democratic eco‐socialism as a real utopia: transitioning to an alternative world system. viii, 306 pp., tables, illus., bibliogr. Oxford, New York: Berghahn Books, 2017. £85.00 (cloth)Brightman, Marc & Jerome Lewis (eds). The anthropology of sustainability: beyond development and progress. xviii, 316 pp., illus., bibliogrs. New York: Palgrave, 2017. £80.00 (cloth)