Headline: The Challenge Ahead. Non-linear Interactions in Current Societal Dynamics

van der Leeuw, S., Aguiar, A. P., Berg, L., Buscaglia, D., Busch, S., Chabay, I., Ebi, K., Goujon, A., Haberl, H., Messner, D., Miola, A., Murray, K., Muttarak, R., Nakicenovic, N., Popp, A., Puyana, J. M., Rauchenwald, V., Scheelbeek, P., Schmidt, J., Sellers, S., Svedin, U., Vafeidis, A., & Verburg, G. (2018). The Challenge Ahead. Non-linear Interactions in Current Societal Dynamics. In International Institute for Applied Systems Analysis (Ed.), TWI 2050 - The World in 2050. Transformations to Achieve the Sustainable Development Goals. Report prepared by The World in 2050 initiative (pp. 35-68). Laxenburg, Österreich: International Institute for Applied Systems Analysis.