Jonathan Loh, M.Sc., is co-Principal Investigator on Terralingua’s Index of Linguistic Diversity project. He works on measuring and monitoring trends in global environmental change, natural resource use and biodiversity. Jonathan studied Biology at Sussex University and Environmental Technology at Imperial College, University of London. He has worked since 1994 for WWF International, and is an Honorary Research Associate at the Institute of Zoology, part of the Zoological Society of London. His work with WWF includes writing and editing the yearly Living Planet Report. Before WWF, Jonathan worked for TRAFFIC International, investigating wildlife trade in Taiwan, and as an environmental consultant based in London and Hong Kong. He has lived and worked in China, Taiwan, Hong Kong and Switzerland, and carried out numerous projects in developing countries in Asia, Africa and Latin America.