It is led by the United Nations Environment Programme (UNEP) with financial support from the European Commission, Germany and the UK, joined more recently by Norway, the Netherlands and Sweden.
Uuringut juhitakse ÜRO Keskkonnaprogrammi raames ning seda toetavad rahaliselt Euroopa Komisjon, Saksamaa ja Ühendkuningriik, hiljem ka Norra, Madalmaad ja Rootsi.