Carl Pope an environmental advocate. He is best known as for having been the Executive Director of the Sierra Club from 1992 to 2010. Pope had worked with the Sierra Club for more than 30 years. He has also served as a board member for other environmental organizations, and was Political Director for Zero Population Growth.Pope was a Peace Corps volunteer in India from 1967 to 1969, and his first book, "Sahib, An American Misadventure in India," was published in 1972. He has co-authored two other books, "Strategic Ignorance: Why the Bush Administration Is Recklessly Destroying a Century of Environmental Progress" in 2004, and "Climate of Hope: How Cities, Businesses, and Citizens Can Save the Planet" in 2017.Pope received his degree from Harvard College.