08.10.2018

# Media

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AllAfrica: As Climate Risks Rise, Scientists Call for Rules On Solar Engineering

"London — Technologies to reflect some of the sun's rays away from Earth, as a way to cool future runaway climate change, are moving closer to becoming a reality, and rules are needed now to govern them, scientists and other experts said on Monday."

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08.10.2018

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Thomas Reuters Foundation News: Scientists champion forests as 'unsung hero' of climate action

"The natural processes by which forests suck in and store carbon help reduce levels of planet-warming carbon dioxide in the atmosphere - and forests also underpin key parts of the world's economy, the scientists said."

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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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30.09.2018

# Media

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EurekAlert: Now is the time to answer questions about climate engineering disease impacts

"Radical solutions to climate change might save lives, but a commentary in the October 2018 issue of the journal Nature Climate Change calls for caution because geoengineering still lacks a "clean bill of health.""

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30.09.2018

# New Publications

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Carlson, C.; et al. (2018): Climate engineering needs a clean bill of health

Carlson, C.; Trisos, C. (2018): Climate engineering needs a clean bill of health. In: Nature Climate change 8 (10), S. 843–845. DOI: 10.1038/s41558-018-0294-7.

"Climate change will almost certainly cause millions of deaths. Climate engineering might prevent this, but benefits — and risks — remain mostly unevaluated. Now is the time to bring planetary health research into climate engineering conversations."

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25.09.2018

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Harvard University Blog: Debating Solar Geoengineering on the Kialo Visual Reasoning Platform

"Solar geoengineering poses many possibilities but comes with a whole range of complex considerations. Debates on the topic, especially online, are often messy and governed by emotions. In this blogpost, we introduce recent work on a visual reasoning platform called Kialo to help represent the multiple considerations in a reasoned way."

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08.06.2018

# New Publications

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Roshan, Elnaz; et al. (2018): Cost-Risk Trade-Off of Mitigation and Solar Geoengineering. Considering Regional Disparities Under Probabilistic Climate Sensitivity

Roshan, Elnaz; M. Khabbazan, Mohammad; Held, Hermann (2018): Cost-Risk Trade-Off of Mitigation and Solar Geoengineering. Considering Regional Disparities Under Probabilistic Climate Sensitivity. In Environ Resource Econ 113 (9), p. 5886. DOI: 10.1007/s10640-018-0261-9.

"Here, we investigate to what extent a proponent of the 2 °C-temperature target would apply SGE in conjunction with mitigation in view of regional disparities in temperature and precipitation. We apply cost-risk analysis (CRA), which is a decision analytic framework that trades-off expected welfare-loss from climate policy costs and climate risks from transgressing a climate target. Here, in ‘Giorgi’-regional-scale analyses, we evaluate the optimal mix of SGE and mitigation under probabilistic information about climate sensitivity and generalize CRA in order to include regional temperature and precipitation risks."

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10.04.2018

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Science Daily: Geoengineering risks losers as well as winners for climate and wildfire risks

"Artificially altering the climate system to limit global warming to 1.5 degrees Celsius could increase the risks of wildfires in some areas, new research suggests."

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10.04.2018

# Media

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Science Newsline: Geoengineering Risks Losers as Well as Winners for Climate And Wildfire Risks

"However, the new research suggests that this method of geoengineering could also introduce its own new impacts by shifting global rainfall patterns. The research by scientists at the University of Exeter and the Met Office Hadley Centre, carried out as part of the EU-funded project HELIX, looked at the implications of this for global patterns of wildfire using computer models of the global climate."

 

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10.04.2018

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Phys.org: Geoengineering risks losers as well as winners for climate and wildfire risks

"Artificially altering the climate system to limit global warming to 1.5C could increase the risks of wildfires in some areas, new research suggests. While the international community is already aiming to limit global warming to below 2C by reducing greenhouse gas emissions, the more ambitious aim of a 1.5C limit is known to be challenging to reach in this way.

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