Alf Hornborg is an anthropologist and Professor of Human Ecology at Lund University. His research focuses on theorizing the cultural and political dimensions of human-environmental relations in different societies in space and time. His books include The Power of the Machine; Global Ecology and Unequal Exchange; Global Magic; and Nature, Society, and Justice in the Anthropocene. He has also co-edited several collections at the intersection of anthropology, environmental history, political ecology, and ecological economics, including Rethinking Environmental History, The World System and the Earth System, and Ecology and Power. He holds a PhD in cultural anthropology from the University of Uppsala, and has taught at Uppsala and at the University of Gothenburg.