Hans Joachim Schellnhuber, Climate-KIC (IMAGE) Climate-KIC Caption Hans Joachim Schellnhuber is the Climate-KIC chairman and climate scientist. Credit Courtesy of Potsdam Institute for Climate Impact Research (PIK) Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.