Dr. Susanne Benner is head of communications at the Max Planck Institute for Chemistry in Mainz since 2011. She studied biology at the RWTH Aachen University in Germany and obtained a Ph.D. time in organic chemistry at the Swiss Federal University Zurich (ETHZ). Dr. Gregor Lax is a research scholar at the Max Planck Institute for the History of Science in Berlin. With a PhD from University of Bielefeld (2014), he worked at the Max-Planck-Institute for Chemistry and for the German Council for Science and Humanities (Wissenschaftsrat). Prof. Dr. Paul J. Crutzen (†) was a director at the Max Planck Institute for Chemistry in Mainz. He received the Nobel Prize in Chemistry in 1995 for his work on ozone depletion. He addressed the Nuclear Winter in the 1980s and coined the Anthropocene concept in 2000. Prof. Dr. Ulrich Pöschl is director of the Multiphase Chemistry Department at the Max Planck Institute for Chemistry and professor at the Johannes Gutenberg University in Mainz. He studied chemistry at the TU of Graz, Austria, and he worked at the Massachusetts Institute of Technology, at the Max Planck Institute for Chemistry, and at the TU of Munich. Prof. Dr. Jos Lelieveld studied natural sciences Leiden Univ. (1984), obtained a PhD in Physics and Astronomy Utrecht Univ. (1990), was Prof. of Atmospheric Physics and Chemistry Univ. of Wageningen and Utrecht (1993-2000). Since 2000 he is Director and Scientific Member at the Max Planck Institute for Chemistry and Professor in Atmospheric Physics, University of Mainz. PD Dr. Hans Günter Brauch taught as an Adj. Prof. international relations at the Free University of Berlin, he has been chairman of Peace Research and European Security Studies (AFES-PRESS) since 1987 and of the board of the HGB Foundation on Peace and ecology in the Anthropocene (HGBS) since 2000 and editor of five book series with SpringerNature.