Elizabeth Hennessy is an assistant professor of world environmental history in the Department of History and the Nelson Institute for Environmental Studies at the University of Wisconsin-Madison. She completed her PhD in geography in 2014 at the University of North Carolina at Chapel Hill and works at the intersection of political ecology, science and technologies studies, animal studies, and environmental history. She is writing her first book, On the Backs of Tortoises: The Past and Future of Evolution in the Galápagos Islands, which focuses on the islands' most iconic species, giant tortoises, to trace intertwined transnational histories of capitalist development, evolutionary science, and conservation in the archipelago. In Madison, she has been on the board of the Center for Culture, History, and the Environment (CHE) and serves as the faculty advisor for Edge Effects, a digital magazine run by CHE graduate students. She is also affiliated with the Latin American, Caribbean, and Iberian Studies program and the Holtz Center for Science and Technology Studies. She teaches on the history of the Anthropocene, Latin American environmental history, and animal history.