December 2019

09.12.2019

# Media

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Vox: Could squeezing more oil out of the ground help fight climate change?

"The pros and cons of enhanced oil recovery."

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09.12.2019

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Vox: Pulling CO2 out of the air and using it could be a trillion-dollar business

"Meet “carbon capture and utilization,” which puts CO2 to work making valuable products."

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09.12.2019

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Podcast: Getting Curious with Jonathan Van Ness

"What Exactly Is Geoengineering Anyway And Could It Possibly Help Save The World? With Dr. Shuchi Talati Geoengineering Governance Fellow, Union Of Concerned Scientists ernance Fellow, Union Of Concerned Scientists."

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09.12.2019

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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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09.12.2019

# New Publications

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Boetcher, S.; et al. (2019): Thermodynamic Model of CO2 Deposition in Cold Climates

Boetcher, Sandra K. S.; Traum, Matthew J.; von Hippel, Ted (2019): Thermodynamic Model of CO2 Deposition in Cold Climates. In Climatic Change. DOI: 10.1007/s10584-019-02587-3.

"A thermodynamic model, borrowing ideas from psychrometric principles, of a cryogenic direct-air CO2-capture system utilizing a precooler is used to estimate the optimal CO2 removal fraction to minimize energy input per tonne of CO2."

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09.12.2019

# New Publications

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Simpson, I.R.; et al. (2019): The Regional Hydroclimate Response to Stratospheric Sulfate Geoengineering and the Role of Stratospheric Heating

Simpson, I. R.; Tilmes, S.; Richter, J. H.; Kravitz, B.; MacMartin, D. G.; Mills, M. J. et al. (2019): The Regional Hydroclimate Response to Stratospheric Sulfate Geoengineering and the Role of Stratospheric Heating. In Journal of Geophysical Research: Atmospheres 124. DOI: 10.1029/2019JD031093.

"Here, a 20‐member ensemble of simulations with the Community Earth System Model with the Whole Atmosphere Community Climate Model as its atmospheric component is used to investigate the projected hydroclimate changes that occur when greenhouse gas‐driven warming, under a high emissions scenario, is offset with stratospheric aerosol geoengineering."

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09.12.2019

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The Guardian: UN climate talks failing to address urgency of crisis, says top scientist

'“Geoengineering has to be assessed, maybe even piloted already in case we need to deploy it,” [Johan Rockström] said. “It makes me very nervous. That is really playing with biological processes that might kick back in very unexpected ways. But I don’t think we should rule anything out – an emergency is an emergency.”'

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09.12.2019

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Climate Diplomacy: China’s geoengineering build-up poses geopolitical and security risks

"As China advances its geoengineering capabilities, the security and geopolitical risks associated with these techniques for South and Southeast Asia need to be addressed urgently—and climate diplomacy can help."

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09.12.2019

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Phys.org: Can Arctic 'ice management' combat climate change?

"According to a much-debated geo-engineering approach, both sea-ice retreat and global warming could be slowed by using millions of wind-powered pumps, drifting in the sea ice, to promote ice formation during the Arctic winter."

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09.12.2019

# New Publications

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Hunt, J.D.; et al. (2019): Cooling down the world oceans and the earth by enhancing the North Atlantic Ocean current

Hunt, Julian David; Nascimento, Andreas; Diuana, Fabio A.; de Assis Brasil Weber, Natália; Castro, Gabriel Malta; Chaves, Ana Carolina et al. (2019): Cooling down the world oceans and the earth by enhancing the North Atlantic Ocean current. In SN Applied Sciences 2 (1), p. 15. DOI: 10.1007/s42452-019-1755-y.

"This paper argues that if the North Atlantic Ocean current could maintain the Arctic Ocean ice-free during the winter, the longwave radiation heat loss into space would be larger than the increase in heat absorption due to the albedo effect. This paper presents details of the fundamentals of the Arctic Ocean circulation and presents three possible approaches for increasing the salinity of the surface water of the Arctic Ocean."

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