Ian Rotherham is Professor of Environmental Geography and Reader in Tourism and Environmental Change at Sheffield Hallam University, and a Distinguished International Visiting Scholar at the National Sun-yat Sen University in Taiwan. He has written over 400 papers and articles and a number of books. His research includes landscape history, the economics of landscape change, issues of invasive alien species, urban ecology and aspects of tourism and economic development. Ian works extensively with the popular media and with grassroots conservation groups. He chairs a number of national and international committees and working groups and his work informs the development of relevant policies and strategies. He has acted as an advisor to a number of governments internationally.