European Union Center of Excellence, Wisconsin-Madison

Lund University

Lunds Universetet

dbb akademie

dbb akademie

Maastricht University, International Centre for Integrated assessment and Sustainable development

FiFo Institute for Public Economics, University of Cologne

Aarhus University, National Enviromental Research Institute

Danmarks Miljøundersøgelser

University of Warsaw, Warsaw Ecological Economics Center

Uniwesytet Warszawski, Warszawski Ośrodek Ekonomii Ekologicznej

University Pierre and Marie Curie

Universite Pierre et Marie Curie

The Cyprus Institute

Earth University

University of Catania

Università degli Studi di Catania

Evangelische Schule Neukölln

University of Natural Resources and Life Sciences, Vienna

Universität für Bodenkultur Wien

Warsaw University of Life Sciences

Szkoła Główna Gospodarstwa Wiejskiego w Warszawie

Johns Hopkins University

Johns Hopkins University