30.09.2018

# New Publications

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Dietz, S.; et al. (2018): The Economics of 1.5°C Climate Change

Dietz, S.; Bowen, A.; Doda, B.; Gambhir, A.; Warren, R. (2018): The Economics of 1.5°C Climate Change. In: Annu. Rev. Environ. Resour. 43 (1). DOI: 10.1146/annurev-environ-102017-025817.

"Setting off with higher emissions will make 1.5°C unattainable quickly without recourse to expensive large-scale carbon dioxide removal (CDR), or solar radiation management (SRM), which can be cheap but poses ambiguous risks society seems unwilling to take. Carbon pricing could reduce mitigation costs substantially compared with ramping up the current patchwork of regulatory instruments. Nonetheless, a mix of policies is justified and technology-specific approaches may be required. It is particularly important to step up mitigation finance to developing countries, where emissions abatement is relatively cheap."

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23.08.2018

# New Publications

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Matzner, N.; et al. (2018): Verantwortungsvoll das Klima manipulieren? Unsicherheit und Verantwortung im Diskurs um Climate Engineering

Matzner, N.; Barben, D. (2018): Verantwortungsvoll das Klima manipulieren? Unsicherheit und Verantwortung im Diskurs um Climate Engineering. In Nina Janich, Lisa Rhein (Eds.): Unsicherheit als Herausforderung für die Wissenschaft. Berlin: Peter Lang, pp. 143–178.

"In this article, we will conduct a discourse analysis of “uncertainty” and “responsibility” in five discourse arenas – i.e., science, policy, science-policy interface, NGOs and think tanks – showing how articulations of uncertainty and responsibility vary between as well as within arenas. We will conclude that neither “uncertainty” nor “responsibility” provide any clear guidance on how to deal with CE and global warming but that, instead, one has to comprehend how divergent aspects of uncertainty and responsibility are articulated and framed such that they constitute competing approaches to governing CE and global warming."

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10.03.2012

# New Publications

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Pringle, K. J.; Carslaw, K. S.; et al. (2012): A multi-model assessment of the efficacy of sea spray geoengineering

Pringle, K. J.; Carslaw, K. S.; Fan, T.; Mann, G.W; Hill, A.; Stier, P. et al. (2012): A multi-model assessment of the efficacy of sea spray geoengineering. In: Atmos. Chem. Phys. Discuss 12 (3), pp 7125–7166.

"Artificially increasing the albedo of marine clouds by the mechanical emission of sea spray aerosol has been proposed as a geoengineering technique to slow the warming caused by anthropogenic greenhouse gases. A previous global model study found that only modest increases and sometimes even decreases in cloud drop number (CDN) concentrations would result from plausible emission scenarios. Here we extend that work to examine the conditions under which decreases in CDN can occur, and use three independent global models to quantify maximum achievable CDN changes."

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