Bronnen
Ayhoekstra.nl
Biodiversiteit.nl
Brabantse Milieufederatie
Centers for Disease Control and Prevention (CDC), USA
Chatham House, the Royal Institute of International Affairs, London
Commissie Van Doorn
Compassion in World Farming (CIWF)
Compendium voor de Leefomgeving
Consulta de Aconselhamento ao Viajante, Brazil
The World Bank
The World Bank
European Commission – Science for Environment Policy
Food and Agriculture Organization (FAO)
Globalissues.org
Heinrich Böll Stiftung, Berlin, Germany
Homeland Security Council, USA
Institute of Social Ecology, Klagenfurt University, Austria
Institute on the Environment, University of Minnesota, USA
International Livestock Research Institute (ILRI)
International Union for Conservation of Nature (IUCN)
Koninklijke Nederlandse Academie voor de Wetenschap (KNAW)
KPMG International