Intergovernmental Panel on Climate Change
German Advisory Council on Global Change
The Society of Friends and Promoters of the Potsdam Institute for Climate Impact Research e.V. (PIK) was founded on 11 December 2002. Professor Udo E. Simonis, Berlin, was chosen as president, Professor Klaus Hasselmann, Hamburg, as vice-president, and Dr. Ursula Kleinhans, Berlin, as treasurer.