Robert Cox (Ph.D., University of Pittsburgh) is Professor Emeritus at the University of North Carolina at Chapel Hill. His principal research areas are environmental communication, climate change communication, and strategic studies of social movements. One of the nation’s leading scholars in environmental communication, he has been President of the Sierra Club three times (2007-2008, 2000–2001 and 1994–1996) and has served for 20 years on the Sierra Club’s Board of Directors. His published work includes critical studies on the discourse of the civil rights, peace, labor, and environmental movements. Cox is also on the Board of Directors for Earth Echo International, dedicated to oceans and marine ecology. He currently advises the Sierra Club on its communication outreach in the U.S., and serves on editorial boards of journals such as Environmental Communication: A Journal of Nature and Culture. Cox advises U.S. environmental groups on their communication programs. He regularly participates in environmental initiatives and has campaigned with former Vice President Al Gore and singer Melissa Etheridge.