1. 1Institute for Resources, Environment and Sustainability, The University of British Columbia, Vancouver, BC, Canada
2. 2Centre for Sustainable Food Systems, The University of British Columbia, Vancouver, BC, Canada
3. 3School for Environment and Sustainability, University of Michigan, Ann Arbor, MI, USA
4. 4Department of Environmental Geography, Institute for Environmental Studies (IVM), Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
5. 5School of Public Policy and Global Affairs, The University of British Columbia, Vancouver, BC, Canada
6. 6Food and Agriculture Organization of the United Nations, Rome, Italy
7. 7Current address: ECHO International, North Fort Myers, FL, USA
8. 8Current address: International Fund for Agricultural Development, Rome, Italy