Charles PerringsCharles Perrings is a professor of environmental economics at Arizona State University. Previous appointments include professorships at the University of York and the University of California, Riverside. He was for several years vice-chair of the intrnational biodiversity science research program, DIVERSITAS, and represented the International Council of Science in negotiations with national governments to establish the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES). He was also a member of the US President's Council of Advisors on Science and Technology (PCAST) working group on biodiversity and ecosystem services. He was the founding editor of the journal Environment and Development Economics and is a past president of the International Society for Ecological Economics. Read More Read Less