26.11.2018

# Media

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The Guardian: Solar geoengineering could be ‘remarkably inexpensive’ – report

"Cooling the Earth by injecting sun-blocking particles into the stratosphere could be “remarkably inexpensive”, according to the most detailed engineering analysis to date."

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29.10.2018

# Calls & events

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Call for Abstracts: Ocean-based negative emission technologies: Feasibility, costs and side-effects (EGU)

Deadline: 10. January 2019

"In this session we want to bring together experts on ONETs to assess and discuss their feasibilities, costs, and side-effects. We explicitly also welcome experts working on interactions between, as well as mutual benefits of, ocean- and land-based NETs."

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30.09.2018

# Media

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news.com.au: Extreme measures the world may have to consider if it doesn’t act on climate change

"THE world seems incapable of taking decisive action on climate change but we may soon have to consider some bizarre options to stop global warming if we fail to act. The Paris Agreement sets a target of well under 2 degrees celsius warming and researchers decided to look at how much it would cost to achieve this target, and the more ambitious target of 1.5C, as well as what the potential benefits were."

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30.09.2018

# Media

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Science News: Big increase in economic costs if cuts in greenhouse gas emissions are delayed

"A comprehensive new analysis involving researchers from UEA warns that the target of limiting global warming to 1.5ºC could soon become too economically expensive to justify, despite the benefits it could provide."

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03.09.2018

# Media

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NextBigFuture: Point of no return for climate action is point when Geoengineering will start

"So-called solar geoengineering aims to cool the planet by deflecting some of the Sun’s incoming rays. Ideas for accomplishing this include the dispersion of light-scattering particles in the upper atmosphere, which would mimic the cooling effect of major volcanic eruptions."

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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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08.07.2014

# New Publications

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Benson, Sally M. (2014): Negative-emissions insurance

Benson, Sally M. (2014): Negative-emissions insurance. In Science 344 (6191), p. 1431. DOI: 10.1126/science.1257423.

"Among the most promising CDR methods are reforestation, afforestation (planting new forests), and bioenergy with carbon capture and storage (BECCS). However, for BECCS strategies to succeed, major hurdles must be overcome."

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03.07.2014

# Media

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Power: Geoengineering: A Practical Climate Climate Work-Around or Just Plain Crazy?

"Faced with roadblocks to reducing greenhouse gas emissions via globally meaningful regulations or carbon pricing schemes, some scientists say it's time to consider even more drastic human intervention."

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02.07.2014

# Media

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Yale Scientific: The Good, the Bad, and the Ugly: The Potential Drawbacks of Manually Controlling Our Climate

Media response to Curry, Charles L.; et al. (2014). Discussion of CE risks.

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09.06.2014

# Calls & events

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News Review of Week 24

The news review of calendar week 24 in 2014 is now available here.


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