Carl Folke,^* Steve Carpenter,^** Thomas Elmqvist,^*** Lance Gunderson,^**** C. S. Holling,^***** Brian Walker<sup>******


*</sup>Carl Folke is Director of the Interdisciplinary Center of Natural Resources and Environmental Research, and professor at the Department of Systems Ecology, Stockholm University, Sweden. He is also associated with the Beijer Institute. His address: Department of Systems Ecology, Stockholm University, SE-106 91 Stockholm, Sweden. calle@system.ecology.su.se
^**Steve Carpenter is professor of limnology at the University of Wisconsin-Madison, USA. His address: Center for Limnology, University of Wisconsin, Madison, WI, USA. srcarpen@facstaff.wisc.edu
^***Thomas Elmquist is professor in the Department of Systems Ecology, Stockholm University, Sweden. His address: Department of Systems Ecology, Stockholm University, SE-106 91 Stockholm, Sweden. thomase@ecology.su.se
^****Lance Gunderson is Chair of the Department of Environmental Studies at Emory University, Atlanta, Georgia, USA. His address: Department of Environmental Studies, Emory University, Atlanta GA, USA. lgunder@emory.edu
^*****C.S. Holling is professor emeritus of the University of Florida, and works as an independent scholar from his home in Cedar Key, Florida, USA. His address: Cedar Key, Florida, USA. holling@zoo.ufl.edu
^******Brian Walker, is Program Director of the Resilience Alliance, (www.resalliance.org) and is based at CSIRO Division of Sustainable Ecosystems, Canberra, Australia. His address: CSIRO Sustainable Ecosystems, Canberra, ACT, Australia. Brian.Walker@csiro.au