Paul S. Sutter is a Professor of History at the University of Colorado, Boulder, where he teaches modern U.S. history and environmental history. He is the author of Driven Wild: How the Fight against Automobiles Launched the Modern Wilderness Movement and, more recently, of Let Us Now Praise Famous Gullies: Providence Canyon and the Soils of the South. He is also Series Editor of Weyerhaeuser Environmental Books, which is published by the University of Washington Press.