27.01.2021

# Political Papers

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Barclay, Jill (2021): Geoengineering in the Canadian Arctic: Governance Challenges

Barclay, Jill (2021): Geoengineering in the Canadian Arctic: Governance Challenges. Policy Primer. North American and Arctic Defence and Security Network (NAADSN).

"Purpose: To explore the impacts of the potential deployment of Solar Radiation Management (SRM), a form of geoengineering, in the Canadian Arctic."

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18.12.2020

# Media

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Global Policy Journal: Could Climate Interventions Slow the Melting of the Cryosphere?

"The ice sheets, sea ice and permafrost provide little direct economic benefit to nation states, despite their importance for Arctic indigenous peoples. But they do provide extremely important features that enable the present climate to operate as humankind has grown used to."

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15.12.2020

# New Publications

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Moore, John C.; et al. (2020): Targeted Geoengineering: Local Interventions with Global Implications

Moore, John C.; Mettiäinen, Ilona; Wolovick, Michael; Zhao, Liyun; Gladstone, Rupert; Chen, Ying et al. (2020): Targeted Geoengineering: Local Interventions with Global Implications. In Glob Policy. DOI: 10.1111/1758-5899.12867.

"Targeted geoengineering aims to tackle a global scale impact of climate warming by addressing local or regional systemic interventions. We consider three examples: conserving the West Antarctic ice sheet by limiting rates of ice discharge or increasing snow accumulation, thereby reducing global sea level rise; transforming the Arctic permafrost zone into steppe grassland; raising the albedo of Arctic sea ice."

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22.10.2020

# Media

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The Guardian: 10 million snowblowers? Last-ditch ideas to save the Arctic ice

"As the realization sets in that existing emission reductions and renewable energy programs in place won’t be enough to save the Arctic, alternative geoengineering projects have gained traction as scientists look for a last-ditch solution."

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24.08.2020

# New Publications

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Daniel Bodansky; Hugh Hunt (2020): Arctic Climate Interventions

Daniel Bodansky; Hugh Hunt (2020): Arctic Climate Interventions. In The International Journal of Marine and Coastal Law 35 (3), pp. 596–617. DOI: 10.1163/15718085-BJA10035.

"Even if one believes that global climate interventions, such as injecting aerosols into the stratosphere to scatter sunlight, pose unacceptable risks and should be disqualified from consideration, Arctic interventions differ in important respects. They are closer in kind to conventional mitigation and adaptation and should be evaluated in similar terms. It is unclear whether they are feasible and would be effective in saving the Arctic. But given the importance of the Arctic, they should be investigated fully."

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18.05.2020

# New Publications

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Chen, Yating; et al. 2020: “Mitigation of Arctic Permafrost Carbon Loss through Stratospheric Aerosol Geoengineering.”

Chen, Yating, Aobo Liu, and John C. Moore. 2020: “Mitigation of Arctic Permafrost Carbon Loss through Stratospheric Aerosol Geoengineering.” Nature Communications 11 (1). https://doi.org/10.1038/s41467-020-16357-8.

‌"Increasing Earth’s albedo by the injection of sulfate aerosols into the stratosphere has been proposed as a way of offsetting some of the adverse effects of climate change. We examine this hypothesis in respect of permafrost carbon-climate feedbacks using the PInc-PanTher process model driven by seven earth system models running the Geoengineering Model Intercomparison Project (GeoMIP) G4 stratospheric aerosol injection scheme to reduce radiative forcing under the Representative Concentration Pathway (RCP) 4.5 scenario."

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10.02.2020

# Media

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Irish Times: How to get the carbon dioxide we shoved into the atmosphere back out again

"Environmentalists get nervous when they hear people talking about reducing carbon-induced global warming through “geoengineering”, the use of technology to intervene directly in the Earth’s systems to reduce the impact of climate change."

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29.01.2020

# New Publications

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Macias-Fauria, Marc; et al. (2020): Pleistocene Arctic megafaunal ecological engineering as a natural climate solution?

Macias-Fauria, Marc; Jepson, Paul; Zimov, Nikita; Malhi, Yadvinder (2020): Pleistocene Arctic megafaunal ecological engineering as a natural climate solution? In Philosophical transactions of the Royal Society of London. Series B, Biological sciences 375 (1794), p. 20190122. DOI: 10.1098/rstb.2019.0122.

"Here we review the environmental context of megafaunal ecological engineering in the Arctic; explore the mechanisms through which it can help mitigate climate change; and estimate its potential—based on bison and horse, with the aim of evaluating the feasibility of generating an ecosystem shift that is economically viable in terms of carbon benefits and of sufficient scale to play a significant role in global climate change mitigation."

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16.12.2019

# Media

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New York Times: Our Future Depends on the Arctic

"The race to maintain the Arctic's stabilizing role in the global climate means, in addition, that we need to put geoengineering into the policy mix, despite its hazards, moral or otherwise. This should start with "soft" geoengineering that can be carefully monitored as it is scaling up, and reversed if side effects become too troubling."

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09.12.2019

# Media

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Braunschweiger Zeitung: Study: Technical interventions in the Arctic won't stop climate change

German newspaper article about the results of the Arctic CE study conducted by the Alfred Wegener Institute.

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