Cities and the Biosphere : This article belongs to Ambio's 50th Anniversary Collection. Theme: Urbanization

Affiliations

• ¹ Stockholm Resilience Centre, Stockholm University, Stockholm, Sweden. carl.folke@beijer.kva.se.
• ² Beijer Institute, Royal Swedish Academy of Sciences, Stockholm, Sweden.
• ³ Department of Psychology, Royal Holloway, University of London, Egham Hill, Egham, Surrey, England.
• ⁴ Crawford School of Public Policy, Australian National University, Canberra, Australia.