23.01.2018

# New Publications

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Trisos, Christopher H.; et al. (2018): Potentially dangerous consequences for biodiversity of solar geoengineering implementation and termination

Trisos, Christopher H.; Amatulli, Giuseppe; Gurevitch, Jessica; Robock, Alan; Xia, Lili; Zambri, Brian (2018): Potentially dangerous consequences for biodiversity of solar geoengineering implementation and termination. In Nat Ecol Evol 355. DOI: 10.1038/s41559-017-0431-0.

"Here, we assess the effects of the rapid implementation, continuation and sudden termination of geoengineering on climate velocities—the speeds and directions that species would need to move to track changes in climate. Compared to a moderate climate change scenario (RCP4.5), rapid geoengineering implementation reduces temperature velocities towards zero in terrestrial biodiversity hotspots. [...] Rapid geoengineering termination would significantly increase the threats to biodiversity from climate change."

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23.01.2018

# New Publications

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Heck, Vera; et al. (2018): Biomass-based negative emissions difficult to reconcile with planetary boundaries

Heck, Vera; Gerten, Dieter; Lucht, Wolfgang; Popp, Alexander (2018): Biomass-based negative emissions difficult to reconcile with planetary boundaries. In Nature Climate change 10, p. 105007. DOI: 10.1038/s41558-017-0064-y.

"Roadmaps and socio-economic scenarios compatible with a 2 °C or 1.5 °C goal depend upon NE via bioenergy with carbon capture and storage (BECCS) to balance remaining GHG emissions. However, large-scale deployment of BECCS would imply significant impacts on many Earth system components besides atmospheric CO2 concentrations. Here we explore the feasibility of NE via BECCS from dedicated plantations and potential trade-offs with planetary boundaries (PBs) for multiple socio-economic pathways. We show that while large-scale BECCS is intended to lower the pressure on the PB for climate change, it would most likely steer the Earth system closer to the PB for freshwater use and lead to further transgression of the PBs for land-system change, biosphere integrity and biogeochemical flows."

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22.01.2018

# New Publications

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Pfrommer, Tobias (2018): A Model of Solar Radiation Management Liability

Pfrommer, Tobias (2018): A Model of Solar Radiation Management Liability. University of Heidelberg (Discussion Paper Series, 644).

"In this paper I examine the incentives structure and welfare consequences of SRM liability regimes. Characteristics specific to SRM impact on the incentives that liability regimes provide via the definition of harm and the liability standard. Consequently, a liability regime is defined as a combination of a definition of harm and a liability standard in the model."

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20.01.2018

# New Publications

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Gunderson, Ryan; et al. (2018): A Critical Examination of Geoengineering. Economic and Technological Rationality in Social Context

Gunderson, Ryan; Petersen, Brian; Stuart, Diana (2018): A Critical Examination of Geoengineering. Economic and Technological Rationality in Social Context (Sustainability, 10).

"Substantial emissions reductions, unlike geoengineering, are costly, rely more on social-structural than technical changes, and are at odds with the current social order. Because of this, geoengineering will increasingly be considered a core response to climate change. In light of Herbert Marcuse’s critical theory, the promotion of geoengineering as a market-friendly and high-tech strategy is shown to reflect a society that cannot set substantive aims through reason and transforms what should be considered means (technology and economic production) into ends themselves. Such a condition echoes the first-generation Frankfurt School’s central thesis: instrumental rationality remains irrational."

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14.01.2018

# New Publications

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Yamagata, Yoshiki; et al. (2018): Estimating water–food–ecosystem trade-offs for the global negative emission scenario (IPCC-RCP2.6)

Yamagata, Yoshiki; Hanasaki, Naota; Ito, Akihiko; Kinoshita, Tsuguki; Murakami, Daisuke; Zhou, Qian (2018): Estimating water–food–ecosystem trade-offs for the global negative emission scenario (IPCC-RCP2.6). In Sustain Sci 28, p. 113. DOI: 10.1007/s11625-017-0522-5.

"In this study, we assess the impact of BECCS deployment scenarios on the land systems including land use, water resources, and ecosystem services. Specifically, we assess three land-use scenarios to achieve the total amount of 3.3 GtC year−1 (annual negative emission level required for IPCC-RCP 2.6) emission reduction by growing bioenergy crops which requires huge use of global agricultural and forest lands and water."

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14.01.2018

# New Publications

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Faran, Turaj S.; Olsson, Lennart (2018): Geoengineering. Neither economical, nor ethical—a risk–reward nexus analysis of carbon dioxide removal

Faran, Turaj S.; Olsson, Lennart (2018): Geoengineering. Neither economical, nor ethical—a risk–reward nexus analysis of carbon dioxide removal. In Int Environ Agreements 27 (12), p. 555. DOI: 10.1007/s10784-017-9383-8.

"Using the recently developed approach of risk–reward nexus (RRN) in the economics of innovation, we question the economic viability of CDR. The main argument is simple: if one uses the new framework of RRN in evaluating the innovations involved in the CDR branch of geoengineering, not only does one include more areas of risk but also one has to consider a broader base for distributing the rewards. Consequently, from RRN’s point of view, it would be less likely to find investing in CDR economically viable for the investor firms."

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12.01.2018

# New Publications

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Blanco, Juan A. (2018): Managing Forest Soils for Carbon Sequestration. Insights From Modeling Forests Around the Globe

Blanco, Juan A. (2018): Managing Forest Soils for Carbon Sequestration. Insights From Modeling Forests Around the Globe. In : Soil Management and Climate Change: Elsevier, pp. 237–252.

"Soil carbon (C), a fundamental component of soil organic matter (SOM), is commonly recognized as one of the key parameters of soil quality. It has been linked to ecosystem productivity because it is a sensitive indicator for monitoring programs. It is a critical pool in the carbon cycle, and through its influence on many fundamental biological and chemical processes, it plays a pivotal role in nutrient release and availability. Through its role in soil aggregation, it influences soil porosity and thus gas exchange reactions and water storage and availability for plants and microorganisms. However, several processes can deplete or alter SOM in different ways (acid rain, atmospheric deposition, fire, intensive harvesting, etc.)."

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09.01.2018

# New Publications

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Dai, Z.; et al. (2018): Tailoring meridional and seasonal radiative forcing by sulfate aerosol solar geoengineering

Dai, Z.; Weisenstein, Debra K.; Keith, David W. (2018): Tailoring meridional and seasonal radiative forcing by sulfate aerosol solar geoengineering. In Geophysical Research Letters, n/a‐n/a. DOI: 10.1002/2017GL076472.

(accepted manuscript) "We study the possibility of designing solar radiation management schemes to achieve a desired meridional radiative forcing (RF) profile using a two-dimensional chemistry-transport-aerosol model. Varying SO2 or H2SO4 injection latitude, altitude, and season, we compute RF response functions for a broad range of possible injection schemes, finding that linear combinations of these injection cases can roughly achieve RF profiles that have been proposed to accomplish various climate objectives."

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08.01.2018

# New Publications

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Bammé, Arno (2017): Managing the climate (German)

Bammé, Arno (2017): Das Klima gestalten. Entscheidungsprobleme der Zukunft, die uns alle betreffen. In Nordfriesischer Verein (Ed.): Zwischen Eider und Wiedau. Heimatkalender für Nordfriesland 2018. Husum, Nordsee: Husum Druck- und Verlagsgesellschaft, pp. 77–86.

German book chapter on CCS and CE.

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08.01.2018

# New Publications

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Turner, Will R. (2018): Looking to nature for solutions

Turner, Will R. (2018): Looking to nature for solutions. In Nature Climate change 8 (1), pp. 18–19. DOI: 10.1038/s41558-017-0048-y.

"Completely stopping fossil fuel use may not be enough to avoid dangerous climate change. Recent research on the mitigation potential of conservation, restoration, and improved land management demonstrates that natural solutions can reduce emissions and remove atmospheric CO2 while safeguarding food security and biodiversity."

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