February 2018

18.02.2018

# Media

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Wallstreet Journal: A Big-Sky Plan to Cool the Planet

"Pumping aerosols into the stratosphere may buy us more time, but it’s no substitute for cutting carbon emissions—and we still don’t know enough to do it responsibly."

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16.02.2018

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Prosyscom: Tinkering with the climate (German)

Longer German article on CE in general.

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15.02.2018

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Klimaretter: Negative Emissions overestimated (German)

German article on NETs in the IPCC discussion.

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15.02.2018

# Media

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Truth Dig: More Reflectivity Can Cool the World

"Engineering reflectivity can be a way to protect human safety during dangerous heat waves. In baking rural regions, put off plowing those freshly harvested wheat fields. And in sweltering cities, paint houses white, install shiny roofs and plant pale-leafed tree species. In a word, increase reflectivity. Bounce more sunlight back into space to save lives, tempers and energy costs. This would, in effect, constitute local geoengineering—without the unimaginable costs of spraying aerosols into the stratosphere or placing solar reflectors in orbit; and without unwelcome side effects."

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15.02.2018

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Triple Pundit: Federal Budget Bill Includes Massive Tax Credits for Carbon Capture

"Direct air capture (DAC) is a method for literally removing carbon from the atmosphere. Mechanical trees suck in ambient air and chemically separate out the carbon dioxide. From there, the captured CO2 is pumped deep underground into sealed chambers. The end result of direct air capture, in other words, is permanently stored CO2. The best part? This technology is far from theoretical. ClimeWorks is one of three startups–along with Global Thermostat and Carbon Engineering–to pull it off: Their negative emissions plant in Iceland “stores the air-captured CO2 safely and permanently in basalt, leading us closer to our efforts to achieve global warming targets.”"

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15.02.2018

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Gas World: Climeworks establishes new market mechanism to help achieve climate goals

"Swiss firm Climeworks has signed several historic contracts for its new Carbon Dioxide Removal solution, marking the first time a company is commissioned to permanently remove the carbon dioxide (CO2) of its customers from the atmosphere."

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15.02.2018

# New Publications

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Russotto, Rick D.; Ackerman, Thomas P. (2018): Energy transport, polar amplification, and ITCZ shifts in the GeoMIP G1 ensemble

Russotto, Rick D.; Ackerman, Thomas P. (2018): Energy transport, polar amplification, and ITCZ shifts in the GeoMIP G1 ensemble. In Atmos. Chem. Phys 18 (3), pp. 2287–2305. DOI: 10.5194/acp-18-2287-2018.

"We show that since poleward energy transport decreases rather than increases, and local feedbacks cannot change the sign of an initial temperature change, the residual polar amplification in the G1 experiment must be due to the net positive forcing in the polar regions and net negative forcing in the tropics, which arise from the different spatial patterns of the simultaneously imposed solar and CO2 forcings. However, the reduction in poleward energy transport likely plays a role in limiting the polar warming in G1."

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14.02.2018

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Breakthrough: Geoengineering Justice. Who Gets to Decide Whether to Hack the Climate

"By 2020, rich countries must fulfill all pledges made in the Paris Agreement, including promises of $US 100 billion in annual assistance to the developing world. If they fail, the coalition will commence solar geoengineering. Through interventions that reflect a tiny proportion of the sun’s energy back into space, these developing states promise to artificially halt global warming."

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14.02.2018

# Media

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FAZ: Geoengineering without borders

German newspaper article on missing governance for CE.

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14.02.2018

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Climate Home News: 11 takeaways from the draft UN report on a 1.5C global warming limit

"Beware techno-fixes. The draft takes a sceptical line on solar geoengineering, a prospective technology to cool the planet by reflecting heat into space. Ethical implications, governance issues and public resistance could make it “economically, socially and institutionally infeasible”."

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