During one or more years since 2002 the IES has received support from the following international organisations, governments, foundations or other non-governmental organisations:

	The City of The Hague, The Netherlands
	Department for Environment, Food and Rural Affairs, United Kingdom
	Department for International Development, United Kingdom
	Foundation for Environmental Security and Sustainability, USA
	The International Development Research Centre, Ottawa, Canada
	IUCN - The World Conservation Union
	Ministry for Foreign Affairs, Finland
	Ministry of Foreign Affairs, Department of Global Development, Sweden
	Ministry of Foreign Affairs, The Netherlands
	Ministry of Housing, Spacial Planning and the Environment, The Netherlands
	Nationale Commissie voor Internationale Samenwerking en Duurzame Ontwikkeling, The Netherlands
	North Atlantic Treaty Organisation (NATO), Committee on the Challenges of Modern Society
	Swiss Agency for Development and Cooperation, Switzerland