George Colpitts teaches environmental history at the University of Calgary. His publications include Pemmican Empire: Food, Trade, and the Last Bison Hunts in the North American Plains, 1780-1882 (Cambridge University Press, 2015); North America’s Indian Trade in European Commerce and Imagination, 1580-1850 (Brill, 2014), and Game in the Garden: A Human History of Wildlife in Western Canada to 1940 (UBC Press, 2002).