Mengis, Nadine , Kalhori, Aram, Simon, Sonja, Harpprecht, Carina, Baetcke, Lars, Prats‐Salvado, Enric, Schmidt‐Hattenberger, Cornelia, Stevenson, Angela , Dold, Christian, Zohbi, Juliane, Borchers, Malgorzata, Thrän, Daniela, Korte, Klaas, Gawel, Erik, Dolch, Tobias, Heß, Dominik, Yeates, Christopher, Thoni, Terese, Markus, Till, Schill, Eva, Xiao, Mengzhu, Köhnke, Fiona, Oschlies, Andreas , Förster, Johannes, Görl, Knut, Dornheim, Martin, Brinkmann, Torsten, Beck, Silke, Bruhn, David, Li, Zhan, Steuri, Bettina, Herbst, Michael, Sachs, Torsten, Monnerie, Nathalie, Pregger, Thomas, Jacob, Daniela and Dittmeyer, Roland (2022) Net‐Zero CO 2 Germany - A Retrospect From the Year 2050. Earth's Future, 10 (2). Art.Nr. e2021EF002324. DOI 10.1029/2021EF002324.

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Abstract

Germany 2050: For the first time Germany reached a balance between its sources of anthropogenic CO2 to the atmosphere and newly created anthropogenic sinks. This backcasting study presents a fictional future in which this goal was achieved by avoiding (∼645 Mt CO2), reducing (∼50 Mt CO2) and removing (∼60 Mt CO2) carbon emissions. This meant substantial transformation of the energy system, increasing energy efficiency, sector coupling, and electrification, energy storage solutions including synthetic energy carriers, sector-specific solutions for industry, transport, and agriculture, as well as natural-sink enhancement and technological carbon dioxide options. All of the above was necessary to achieve a net-zero CO2 system for Germany by 2050.

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