Dear PPGIS Friends, You may be interested in a special feature that has just been published on "Theoretical traditions in social values for sustainability". A number of papers in this special feature can provide the conceptual basis for our PPGIS work. https://link.springer.com/journal/11625/topicalCollection/AC_44741d80b4f1ae6ea9ac691adc91d48b You are welcome to forward on this email. Best wishes, Chris Prof. Christopher Raymond Professor in Sustainability Science Leader, Social Values for Sustainability research group<http://www.socialvaluesrg.com/> Helsinki Institute for Sustainability Science (HELSUS<https://www.helsinki.fi/en/helsinki-institute-of-sustainability-science>) Ecosystems and Environment Research Program, Faculty of Biological and Environmental Sciences Department of Economics and Management, Faculty of Agriculture and Forestry Sciences University of Helsinki Co-ordinator: ENVISION (BiodivERsA) Co-ordinator: VIVA-PLAN (Formas) www.viva-plan.eu<http://www.viva-plan.eu/> Coordinating Lead Author: IPBES Assessment of the Diverse Values of Nature (Chapter 2, Concepts) P.O. Box 65 00014 Helsinki +358 29 415 7836 Google Scholar: https://scholar.google.com/citations?user=_1Y0Cm0AAAAJ&hl=en ResearchGate: https://www.researchgate.net/profile/Christopher_Raymond