Schlagwort: CDR

Nyawira et al. (2024): Pantropical CO2 emissions and removals for the AFOLU sector in the period 1990–2018

Sylvia S. Nyawira, Martin Herold, Kalkidan Ayele Mulatu, Rosa Maria Roman-Cuesta, Richard A. Houghton, Giacomo Grassi, Julia Pongratz, Thomas Gasser, Louis Verchot IN: Mitigation and Adaptation Strategies for Global Change, https://doi.org/10.1007/s11027-023-10096-z

Here, the authors present a comparative analysis of the agriculture forestry and other land use (AFOLU) emission estimates from different datasets, including National Greenhouse Gas Inventories (NGHGIs), FAOSTAT, the BLUE, OSCAR, and Houghton (here after updated H&N2017) bookkeeping models; Emissions Database for Global Atmospheric Research (EDGAR); and the US Environmental Protection Agency (EPA). They disaggregate the fluxes for the forestry and other land use (FOLU) sector into forest land, deforestation, and other land uses (including non-forest land uses), while agricultural emissions are disaggregated according to the sources (i.e., livestock, croplands, rice cultivation, and agricultural fires). Considering different time periods (1990–1999, 2000–2010, and 2011–2018), they analyse the trend of the fluxes with a key focus on the tropical regions (i.e., Latin America, sub-Saharan Africa, and South and Southeast Asia). 

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Höning et al. (2024): Reversibility of Greenland ice sheet mass loss under artificial carbon dioxide removal scenarios

Dennis Höning, Matteo Willeit, Andrey Ganopolski IN: Environmental Research Letters, 19, 2, DOI 10.1088/1748-9326/ad2129

With ongoing anthropogenic CO2 emissions, the Greenland ice sheet (GIS) approaches critical thresholds of inevitable, long-term mass loss. Future technologies might be able to efficiently remove CO2 from the atmosphere and thereby cool down our planet. The authors explore whether and to what extent a realization of this concept could lead to a regrowth of the GIS once it has partly melted. Using the fully coupled Earth system model of intermediate complexity CLIMBER-X, emission pulses between 0 and 4000 GtC are released into the atmosphere, and after 1 kyr, 2 kyr, and 5 kyr, the atmospheric CO2 concentration is reduced back to its pre-industrial value.

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Low et al. (2024): An earth system governance research agenda for carbon removal

Sean Low, Miranda Boettcher, Shinichiro Asayama, Chad Baum, Amanda Borth, Calum Brown, Forrest Clingerman, Peter Dauvergne, Kari De Pryck, Aarti Gupta, Matthias Honegger, Dominic Lenzi, Renate Reitsma, Felix Schenuit, Celina Scott-Buechler, Jose Maria Valenzuela IN: Earth System Governance 19, 100204, https://doi.org/10.1016/j.esg.2024.100204

Carbon dioxide removal (CDR) – the creation, enhancement, and upscaling of carbon sinks – has become a pillar of national and corporate commitments towards Net Zero emissions, as well as pathways towards realizing the Paris Agreement’s ambitious temperature targets. In this perspective, the authors explore CDR as an emerging issue of Earth System Governance (ESG). 

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Working Paper: Prospects and challenges for implementing land-based climate change mitigation in support of carbon dioxide removal in China

Mathieu Mal, Huiling Zhu, Francis X. Johnson, February 07, 2024

In this working paper, the authors present an overview of China’s greenhouse gas emissions and its land-based carbon stocks and flows, with a spotlight on potential for land-based mitigation technologies and practices (LMTs) for carbon dioxide removal, based on the published literature. They also provide an analysis of LMT-related policies and perspectives on LMT development and future trends from experts, with discussion and conclusions based on the policy analysis and experts’ insights.

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Carbon Dioxide Removal (CDR) Project Manager – Kühne Foundation

No Deadline

The Kühne Foundation seeks a Carbon Dioxide Removal Project Manager to lead the design and implementation of the new CDR project. The Kühne Foundation’s work on climate action aims to help decouple the growth of prosperity from greenhouse gas emissions and accelerate the transition to a just, low-carbon society. They therefore work on solutions to reduce emissions, remove carbon, and strengthen resilience; we focus on the role that logistics can play in facilitating the transition; and we use our capacities to support in particular low- and middle-income countries to seize the opportunities of their low-carbon and sustainable development.

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Ampah et al. (2024): Prioritizing Non-Carbon Dioxide Removal Mitigation Strategies Could Reduce the Negative Impacts Associated with Large-Scale Reliance on Negative Emissions

Jeffrey Dankwa Ampah, Chao Jin, Haifeng Liu, Sandylove Afrane, Humphrey Adun, David Morrow, David T. Ho IN: Environmental Science & Technology, https://doi.org/10.1021/acs.est.3c06866

Carbon dioxide removal (CDR) is necessary for reaching net zero emissions, with studies showing potential deployment at multi-GtCO2 scale by 2050. However, excessive reliance on future CDR entails serious risks, including delayed emissions cuts, lock-in of fossil infrastructure, and threats to sustainability from increased resource competition. This study highlights an alternative pathway─prioritizing near-term non-CDR mitigation and minimizing CDR dependence. The authors impose a 1 GtCO2 limit on global novel CDR deployment by 2050, forcing aggressive early emissions reductions compared to 8–22 GtCO2 in higher CDR scenarios. 

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Report: Large-scale carbon dioxide removal and dual accounting: Microsoft and Ørsted

James Burbridge, Wilfried Maas, A.J. Simon, Julio Friedmann, Carbon Direct, 2023

In this report, the Carbon Direct science team explores dual accounting on national ledgers and organizational inventories in the context of the collaboration between Microsoft and the Danish government, on which Carbon Direct served as a technical advisor. The report explains the key differences between problematic double counting—when two private entities claim credit for the same emissions reduction or removal—and functional dual accounting—when a private entity’s reduction is reflected on a national inventory.

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Adun et al. (2024): The synergistic role of carbon dioxide removal and emission reductions in achieving the Paris Agreement goal

Humphrey Adun, Jeffrey Dankwa Ampah, Olusola Bamisile, Yihua Hu IN: Sustainable Production and Consumption, https://doi.org/10.1016/j.spc.2024.01.004

In this study, the authors carry out an assessment contingent upon the intertwined roles of mitigation actions and the levels of CDR deployment using the Energy-Rapid Overview and Decision-Support (En-ROADS) simulation tool. They develop sectoral emission reduction assumptions and a broad portfolio of CDR archetypes and deployment levels to evaluate their impacts on the intricate climate-land-energy nexus, and global warming temperature. 

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Senior-Thesis: Public Perception’s Role in Carbon Removal at Scale: The Importance of Public Opinion on Barriers to Implementation of CDR

Ben Evanson, University of Texas at Austin, https://hdl.handle.net/2152/123382

The CDR industry will need to overcome six primary barriers: Biophysical Constraints, Research and Modeling, Governance, Funding Mechanisms, Social Acceptability, and Industry Development. Lacking thus far in literature, this thesis explores what role Social Acceptability plays within each of the other established barriers to scaling. This thesis analyses these barriers through the lens of a social license to operate (SLO), building off related industries’ successes and failures in achieving such an SLO. We identify four unique communities whose acceptance of the carbon removal industry will be important to its ability to scale at speed and to a high capacity, political communities, markets, general publics, and local communities.

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