Rob Bowden is also the author of other titles in the "21st Century Debates" series, including "Water Supply" and "Food Supply", as well as books on energy, industry, food and farming, settlements, managing the environment and transport in the "Sustainable World" series, "Changing Face of Kenya" and "A River Journey: The Nile".

Rob Bowden is a freelance development geographer who has taught at the universities of Sussex, Brighton and Keele and worked in Africa and the Middle East. He specializes in international environment and development issues and has written numerous children's books. The consultant, Hazel Barrett, is a Reader in Geography at Coventry University and has written several books on population issues. She is also editor of 'Geography', the journal for the Geographical Association.