January 2018

29.01.2018

# Media

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[press review]: Potentially dangerous consequences for biodiversity of solar geoengineering

Media responses to Trisos, Christopher H.; et al. (2018): Potentially dangerous consequences for biodiversity of solar geoengineering

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27.01.2018

# Media

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Reuter: Chemical sunshade to slow warming may not be feasible: U.N. draft

"The idea of spraying a haze of sun-dimming chemicals high above the Earth as a quick way to slow global warming faces so many obstacles that it may not be feasible, a leaked draft U.N. report says."

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27.01.2018

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Clean Technica: Serious Risks Accompany Use Of Geoengineering “Solutions,” Study Finds

"There are a great many serious risks that will accompany the possible use of various geoengineering techniques, a new study published the journal Nature Ecology & Evolution earlier this week has found"

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27.01.2018

# New Publications

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Carr, Wylie A.; Yung, Laurie (2018): Perceptions of climate engineering in the South Pacific, Sub-Saharan Africa, and North American Arctic

Carr, Wylie A.; Yung, Laurie (2018): Perceptions of climate engineering in the South Pacific, Sub-Saharan Africa, and North American Arctic. In Climatic Change 17 (2), p. 145. DOI: 10.1007/s10584-018-2138-x.

"This study utilized in-depth interviews to explore the perspectives of vulnerable populations in the South Pacific, Sub-Saharan Africa, and the North American Arctic. Interviewees in this study were desperate for solutions to climate change and therefore willing to consider climate engineering. However, their willingness to consider climate engineering could be characterized as both deeply reluctant and highly conditional. "

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27.01.2018

# Media

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Nova Next: Should We Intentionally Manipulate the Earth’s Climate?

"Carbon dioxide removal technologies like BECCS, which removes carbon dioxide from the atmosphere using plants as the collectors, are helpful—but may not be potent enough. A more controversial form of what scientists are calling geoengineering is called solar radiation management. This involves reflecting heat away from the Earth instead of siphoning it out of the atmosphere."

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27.01.2018

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Apolitical: Climate change might lead us to start meddling with the planet’s engineering

"Geoengineering could help us to lower the planet's temperature, but are the risks too high?"

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26.01.2018

# New Publications

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Irvine, Peter J.; et al. (2018): Brief communication. Understanding solar geoengineering's potential to limit sea level rise requires attention from cryosphere experts

Irvine, Peter J.; Keith, David W.; Moore, John (2018): Brief communication. Understanding solar geoengineering's potential to limit sea level rise requires attention from cryosphere experts. In The Cryosphere Discuss., pp. 1–15. DOI: 10.5194/tc-2017-279.

"Stratospheric aerosol geoengineering, a form of solar geoengineering, is a proposal to add a reflective layer of aerosol to the stratosphere to reduce net radiative forcing and so to reduce the risks of climate change. Solar geoengineering could reduce temperatures and so slow melt, but the efficacy of solar geoengineering at offsetting changes to the cryosphere is uncertain. For example, shortwave forcing acts more strongly on the surface than longwave forcing so solar geoengineering would reduce surface melt more effectively but would also suppress the global hydrological cycle potentially reducing accumulation on glaciers."

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25.01.2018

# New Publications

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Sonntag, Sebastian; et al. (2018): Quantifying and comparing effects of climate engineering methods on the Earth system

Sonntag, Sebastian; González, Miriam Ferrer; Ilyina, Tatiana; Kracher, Daniela; Nabel, Julia E. M. S.; Niemeier, Ulrike et al. (2018): Quantifying and comparing effects of climate engineering methods on the Earth system. In Earth's Future. DOI: 10.1002/2017EF000620.

"To contribute to a quantitative comparison of climate engineering (CE) methods, we assess atmosphere-, ocean-, and land-based CE measures with respect to Earth system effects consistently within one comprehensive model. We use the Max Planck Institute Earth System Model (MPI-ESM) with prognostic carbon cycle to compare solar radiation management (SRM) by stratospheric sulfur injection and two carbon dioxide removal methods: afforestation and ocean alkalinization. The CE model experiments are designed to offset the effect of fossil-fuel burning on global mean surface air temperature under the RCP8.5 scenario to follow or get closer to the RCP4.5 scenario."

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25.01.2018

# Media

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MIT Technology Review: We’re about to kill a massive, accidental experiment in reducing global warming

"A forthcoming UN regulation will slash shipping industry pollution but may also speed up climate change."

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25.01.2018

# Media

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Nori Blog: Reversing climate change means carbon removal

"For us, that means making it as easy as possible for volunteers who want to pay to fix the problem to be able to do so. Fixing the problem means making it possible to create a reverse gear that can take us back. The reverse gear is carbon removal. Here are five reasons why we are only focused on taking back CO2 from the air."

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