18.03.2021

# New Publications

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Butenschön, Momme; et al. (2021): Alkalinization Scenarios in the Mediterranean Sea for Efficient Removal of Atmospheric CO2 and the Mitigation of Ocean Acidification

Butenschön, Momme; Lovato, Tomas; Masina, Simona; Caserini, Stefano; Grosso, Mario (2021): Alkalinization Scenarios in the Mediterranean Sea for Efficient Removal of Atmospheric CO2 and the Mitigation of Ocean Acidification. In Front. Clim. 3, p. 14. DOI: 10.3389/fclim.2021.614537.

"This study investigates the case of ocean alkalinization, which has the additional potential of contrasting the ongoing acidification resulting from increased uptake of atmospheric CO2 by the seas. More specifically, we present an analysis of marine alkalinization applied to the Mediterranean Sea taking into consideration the regional characteristics of the basin."

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18.03.2021

# New Publications

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Soimakallio, Sampo; et al. (2021): On the trade-offs and synergies between forest carbon sequestration and substitution

Soimakallio, Sampo; Kalliokoski, Tuomo; Lehtonen, Aleksi; Salminen, Olli (2021): On the trade-offs and synergies between forest carbon sequestration and substitution. In Mitig Adapt Strat Glob Change 26 (1), pp. 1–17. DOI: 10.1007/s11027-021-09942-9.

"Forest biomass can be used in two different ways to limit the growth of the atmospheric greenhouse gas (GHG) concentrations: (1) to provide negative emissions through sequestration of carbon into forests and harvested wood products or (2) to avoid GHG emissions through substitution of non-renewable raw materials with wood. We study the trade-offs and synergies between these strategies using three different Finnish national-level forest scenarios between 2015 and 2044 as examples."

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08.03.2021

# New Publications

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Cox, Emily; et al. (2021): But They Told Us It Was Safe! Carbon Dioxide Removal, Fracking, and Ripple Effects in Risk Perceptions

Cox, Emily; Pidgeon, Nick; Spence, Elspeth (2021): But They Told Us It Was Safe! Carbon Dioxide Removal, Fracking, and Ripple Effects in Risk Perceptions. In Risk analysis : an official publication of the Society for Risk Analysis. DOI: 10.1111/risa.13717.

"Using a secondary analysis of data from a series of deliberative workshops conducted with lay publics in the United Kingdom, we suggest that perceptions of CO2 removal technologies were negatively impacted by risk perceptions and recent policy decisions surrounding shale gas and fracking."

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08.03.2021

# New Publications

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Stenzel, Fabian; et al. (2021): Irrigation of biomass plantations may globally increase water stress more than climate change

Stenzel, Fabian; Greve, Peter; Lucht, Wolfgang; Tramberend, Sylvia; Wada, Yoshihide; Gerten, Dieter (2021): Irrigation of biomass plantations may globally increase water stress more than climate change. In Nat Comms 12 (1), pp. 1–9. DOI: 10.1038/s41467-021-21640-3.

"Here we quantitatively assess potential side effects of BECCS with respect to water stress by disentangling the associated drivers (irrigated biomass plantations, climate, land use patterns) using comprehensive global model simulations."

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02.03.2021

# Political Papers

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Myles Allen; et al. (2020): The Oxford Principles for Net Zero Aligned Carbon Offsetting

Myles Allen, Kaya Axelsson, Ben Caldecott, Thomas Hale, Cameron Hepburn, Conor Hickey, Eli Mitchell-Larson, Yadvinder Malhi, Friederike Otto, Nathalie Seddon & Steve Smith (2020): The Oxford Principles for Net Zero Aligned Carbon Offsetting. The University of Oxford. September 2020.

"The Oxford Principles for Net Zero Aligned Carbon Offsetting (the “Oxford Offsetting Principles”) presented here outline how offsetting needs to be approached to ensure it helps achieve a net zero society."

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26.02.2021

# Media

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Blog: Robert Höglund: Net-zero today?

"Is trying to reach net-zero targets as fast as possible the most climate-effective approach?"

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22.02.2021

# New Publications

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Rueda, O.; et al. (2021): Negative-emissions technology portfolios to meet the 1.5 °C target

Rueda, O.; Mogollón, J. M.; Tukker, A.; Scherer, L. (2021): Negative-emissions technology portfolios to meet the 1.5 °C target. In Global Environmental Change, p. 102238. DOI: 10.1016/j.gloenvcha.2021.102238.

"Here, we present a comprehensive framework, integrating NETs’ critical performance aspects of feasibility, effectiveness, and side impacts, to define the optimal technology mix within realistic outlooks."

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09.02.2021

# Calls & events

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Job: PostDoc "Biogeochemical Earth System Modeling: Ocean-based Negative Emissions"

Deadline: 28. February 2021

"This position is part of the EU project OceanNETs: Ocean Negative Emission Technologies - analysing the feasibility, risks, and co-benefits of ocean- based negative emission technologies for stabilizing the climate."

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08.02.2021

# New Publications

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Brander, Matthew; et al. (2021): Carbon accounting for negative emissions technologies

Brander, Matthew; Ascui, Francisco; Scott, Vivian; Tett, Simon (2021): Carbon accounting for negative emissions technologies. In Climate Policy, pp. 1–19. DOI: 10.1080/14693062.2021.1878009.

"Based on a systematic literature review this study identifies five distinct accounting issues related to NETs: 1. estimating total system-wide change in emissions/removals; 2. non-permanence; 3. non-equivalence of ‘no overshoot’ and ‘overshoot and removal’; 4. accounting for incentives for NETs; and 5. the temporal distribution of emissions/removals."

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04.02.2021

# New Publications

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Smith, Stephen M. (2021): A case for transparent net-zero carbon targets

Smith, Stephen M. (2021): A case for transparent net-zero carbon targets. In Commun Earth Environ 2 (1), pp. 1–4. DOI: 10.1038/s43247-021-00095-w.

"Perceived risks from carbon dioxide removal have led to calls for net zero targets to be split into separate goals for removals and emissions. A better approach is to accompany net targets with ambitious near-term action, disclose measures to achieve them and closely monitor and manage carbon sinks."

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