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Foto av Terese Thoni

Terese Thoni

Utbildningskoordinator

Foto av Terese Thoni

Scoping carbon dioxide removal options for Germany–What is their potential contribution to Net-Zero CO2?

Författare

  • Malgorzata Borchers
  • Daniela Thrän
  • Yaxuan Chi
  • Nicolaus Dahmen
  • Roland Dittmeyer
  • Tobias Dolch
  • Christian Dold
  • Johannes Förster
  • Michael Herbst
  • Dominik Heß
  • Aram Kalhori
  • Ketil Koop-Jakobsen
  • Zhan Li
  • Nadine Mengis
  • Thorsten B.H. Reusch
  • Imke Rhoden
  • Torsten Sachs
  • Cornelia Schmidt-Hattenberger
  • Angela Stevenson
  • Terese Thoni
  • Jiajun Wu
  • Christopher Yeates
Visa allt

Summary, in English

In its latest assessment report the IPCC stresses the need for carbon dioxide removal (CDR) to counterbalance residual emissions to achieve net zero carbon dioxide or greenhouse gas emissions. There are currently a wide variety of CDR measures available. Their potential and feasibility, however, depends on context specific conditions, as among others biophysical site characteristics, or availability of infrastructure and resources. In our study, we selected 13 CDR concepts which we present in the form of exemplary CDR units described in dedicated fact sheets. They cover technical CO2 removal (two concepts of direct air carbon capture), hybrid solutions (six bioenergy with carbon capture technologies) and five options for natural sink enhancement. Our estimates for their CO2 removal potentials in 2050 range from 0.06 to 30 million tons of CO2, depending on the option. Ten of the 13 CDR concepts provide technical removal potentials higher than 1 million tons of CO2 per year. To better understand the potential contribution of analyzed CDR options to reaching net-zero CO2 emissions, we compare our results with the current CO2 emissions and potential residual CO2 emissions in 2050 in Germany. To complement the necessary information on technology-based and hybrid options, we also provide an overview on possible solutions for CO2 storage for Germany. Taking biophysical conditions and infrastructure into account, northern Germany seems a preferable area for deployment of many concepts. However, for their successful implementation further socio-economic analysis, clear regulations, and policy incentives are necessary.

Publiceringsår

2022-10-31

Språk

Engelska

Publikation/Tidskrift/Serie

Frontiers in Climate

Volym

4

Dokumenttyp

Artikel i tidskrift

Förlag

Frontiers Media S. A.

Ämne

  • Earth and Related Environmental Sciences
  • Political Science
  • Other Environmental Engineering

Nyckelord

  • carbon dioxide removal
  • BECCS
  • DACCS
  • nature-based solutions
  • natural sink enhancemen
  • climate mitigation
  • CO2 storage

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 2624-9553