Ranjay Kumar Singh, Central Soil Salinity Research Institute, Karnal, Haryana, India
Nancy J. Turner, School of Environmental Studies, University of Victoria, Victoria, B.C., Canada
Victoria Reyes-Garcia, ICREA and Institut de Ciencia i Technologia Ambientals, Universitat Autonoma de Barcelona, Spain
Jules Pretty, Essex Sustainability Institute and Department of Biological Sciences, University of Essex, Colchester, UK