*PIK provides scientific advice to international organizations like the World Bank and the International Monetary Fund, the World Health Organization, the International Organization for Migration as well as to regional bodies like the Federal Government of Germany and the European Commission.
PIK scientists also contribute to the reports of the Intergovernmental Panel on Climate Change (IPCC). From 2008 to 2015, the IPCC working group Climate Change mitigation was co-chaired by the institute's co-director and chief economist Ottmar Edenhofer. In the IPCC's sixth assessment cycle (2016–2022)