Held, H., Engels, A., Marotzke, J., & Stammer, D. (2021). Implications for climate
futures. In D., Stammer, A., Engels, J., Marotzke, E., Gresse, C., Hedemann, & J., Petzold (Eds.),
Hamburg Climate Futures Outlook 2021: Assessing the plausibility of deep decarbonization by 2050
(pp. 63-64). Hamburg: Cluster of Excellence Climate, Climatic Change, and Society (CLICCS).
