23.03.2021

# New Publications

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Brazzola, Nicoletta; et al. (2021): Offsetting unabated agricultural emissions with CO2 removal to achieve ambitious climate targets

Brazzola, Nicoletta; Wohland, Jan; Patt, Anthony (2021): Offsetting unabated agricultural emissions with CO2 removal to achieve ambitious climate targets. In PloS one 16 (3), e0247887. DOI: 10.1371/journal.pone.0247887.

"We explore using additional CDR to offset alternative agricultural non-CO2 emission pathways in which emissions either remain constant or rise. We assess the effects on the climate of calculating CDR rates to offset agricultural emission under two different approaches: relying on the 100-year global warming potential conversion metric (GWP100) and maintaining effective radiative forcing levels at exactly those of RCP2.6."

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22.03.2021

# New Publications

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Zhou, Hewen; et al. (2021): Prospective contributions of biomass pyrolysis to China’s 2050 carbon reduction and renewable energy goals

Zhou, Hewen; Bartocci, Pietro; Fantozzi, Francesco; Mašek, Ondřej; Agblevor, Foster; Wei, Zhiyu et al. (2021): Prospective contributions of biomass pyrolysis to China’s 2050 carbon reduction and renewable energy goals. In nature communications.

"While bioenergy with carbon capture and storage (BECCS) may need years to mature, this study focuses on developing a ready-to-implement biomass intermediate pyrolysis poly-generation (BIPP) technology to produce a potentially stable form of biochar, a medium for carbon storage, and to provide a significant source of valuable biofuels, especially pyrolysis gas."

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22.03.2021

# New Publications

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Kravitz, Ben; et al. (2021): Comparing different generations of idealized solar geoengineering simulations in the Geoengineering Model Intercomparison Project (GeoMIP)

Kravitz, Ben; MacMartin, Douglas G.; Visioni, Daniele; Boucher, Olivier; Cole, Jason N. S.; Haywood, Jim et al. (2021): Comparing different generations of idealized solar geoengineering simulations in the Geoengineering Model Intercomparison Project (GeoMIP). In Atmos. Chem. Phys 21 (6), pp. 4231–4247. DOI: 10.5194/acp-21-4231-2021.

"Two generations of models in the Geoengineering Model Intercomparison Project (GeoMIP) have now simulated offsetting a quadrupling of the CO2 concentration with solar reduction. This simulation is idealized and designed to elicit large responses in the models. Here, we show that energetics, temperature, and hydrological cycle changes in this experiment are statistically indistinguishable between the two ensembles."

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22.03.2021

# New Publications

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Babin, Alexandre; et al. (2021): Potential and challenges of bioenergy with carbon capture and storage as a carbon-negative energy source: A review

Babin, Alexandre; Vaneeckhaute, Céline; Iliuta, Maria C. (2021): Potential and challenges of bioenergy with carbon capture and storage as a carbon-negative energy source: A review. In Biomass and Bioenergy 146, p. 105968. DOI: 10.1016/j.biombioe.2021.105968.

"As an emerging field, active research and development over the next decades, along with strong policy support, is crucial to ensure that BECCS can be implemented in time because delaying action on climate change reduces the likelihood of successfully meeting the goals of the Paris Agreement. Consequently, this critical review aims at establishing the upcoming challenges facing the implementation of BECCS and the pathways to address them, along with highlighting the advancements in the field over the last decade."

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22.03.2021

# New Publications

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Santos, Mónica P.S.; et al. (2021): Unlocking the potential of pulp and paper industry to achieve carbon-negative emissions via calcium looping retrofit

Santos, Mónica P.S.; Manovic, Vasilije; Hanak, Dawid P. (2021): Unlocking the potential of pulp and paper industry to achieve carbon-negative emissions via calcium looping retrofit. In Journal of Cleaner Production 280, p. 124431. DOI: 10.1016/j.jclepro.2020.124431.

"This study proposes a new concept for conversion of the pulp and paper industry to carbon negative that relies on the inherent CO2 capture capability of the Kraft process."

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18.03.2021

# New Publications

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Clarke, Leonardo A.; et al. (2021): The Caribbean and 1.5 °C: Is SRM an Option?

Clarke, Leonardo A.; Taylor, Michael A.; Centella-Artola, Abel; St. Williams, Matthew M.; Campbell, Jayaka D.; Bezanilla-Morlot, Arnoldo; Stephenson, Tannecia S. (2021): The Caribbean and 1.5 °C: Is SRM an Option? In Atmosphere 12 (3), p. 367. DOI: 10.3390/atmos12030367.

"This paper examines the mean Caribbean climate under various scenarios of an SRM-altered versus an SRM-unaltered world for three global warming targets, namely, 1.5, 2.0 and 2.5 °C above pre-industrial levels."

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18.03.2021

# New Publications

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Horton, Peter; et al. (2021): Technologies to deliver food and climate security through agriculture

Horton, Peter; Long, Stephen P.; Smith, Pete; Banwart, Steven A.; Beerling, David J. (2021): Technologies to deliver food and climate security through agriculture. In Nature Plants 7 (3), pp. 250–255. DOI: 10.1038/s41477-021-00877-2.

"Here, we discuss a series of technological options to bring about change in agriculture for delivering food security and providing multiple routes to the removal of CO2 from the atmosphere. These technologies include the use of silicate amendment of soils to sequester atmospheric CO2, agronomy technologies to increase soil organic carbon, and high-yielding resource-efficient crops to deliver increased agricultural yield, thus freeing land that is less suited for intensive cropping for land use practices that will further increase carbon storage."

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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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18.03.2021

# New Publications

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Rogelj, Joeri; et al. (2021): Net-zero emissions targets are vague: three ways to fix

Rogelj, Joeri; Geden, Oliver; Cowie, Annette; Reisinger, Andy (2021): Net-zero emissions targets are vague: three ways to fix. In Nature 591 (7850), pp. 365–368. DOI: 10.1038/d41586-021-00662-3.

"To limit warming, action plans from countries and companies must be fair, rigorous and transparent."

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