23.05.2017

# Calls & events

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Newsletter of Week 21 of 2017

The newsletter of calendar week 21 in 2017 is now available here.


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23.05.2017

# Calls & events

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Call for Application: Climate Engineering Conference 2017: Critical Global Discussions

Deadline: 30. June 2017

"The conference will convene discussions of the vast and diverse array of questions that climate engineering raises for disciplinary research, interdisciplinary collaboration, and transdisciplinary engagement. The conference organizers would like to invite abstract submissions from those interested in presenting their work at the conference."

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23.05.2017

# Calls & events

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Call for Application: Radiation Management Climate Engineering (Gordon Research Conference)

Deadline: 25. June 2017

"Climate engineering, also called geoengineering, is the idea of deliberately intervening in Earth's global radiation budget with the goal of reducing some of the risks of accumulating greenhouse gases. The two most frequently discussed possibilities are injecting aerosols into the stratosphere or adding aerosols to low marine clouds, both of which would reflect more sunlight to space; other possibilities include artificially thinning cirrus cloud cover to increasing outgoing longwave radiation. This conference will focus on the scientific questions associated with this set of technologies with the goal of fostering a better understanding of their efficacy and risks. "

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23.05.2017

# Media

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the guardian: My month with chemtrails conspiracy theorists

"Tammi Riedl and her partner believe ‘chemtrails’ are damaging our health. They prove conspiracies have gone mainstream – and aren’t just for the right wing"

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20.05.2017

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NBC News: The Solution to Climate Change Might Be Right Under Our Feet

On CCS and BECCS. "But there's one CCS project experts agree stands out from the crowd. Last month, an Archer Daniels Midland (ADM) facility launched the Illinois Industrial Carbon Capture Project, which is expected to store 1.1 million tons of carbon dioxide per year in a sandstone layer a mile-and-a-half underground. Because it builds on a previous project, scientists are certain that billions of tons of carbon dioxide will easily remain trapped within the sediment. "

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20.05.2017

# Media

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American Branch: The Logic and Controversies of Geoengineering

"In this podcast hosted by Professor Myanna Dellinger, Dr. Stefan Schäfer presents his view on the pros and cons of the ever-controversial, but, in his view, also promising aspects of climate geoengineering."

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20.05.2017

# New Publications

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Xia, Lili; et al. (2017): Impacts of Stratospheric Sulfate Geoengineering on Tropospheric Ozone

Xia, Lili; Nowack, Peer J.; Tilmes, Simone; Robock, Alan (2017): Impacts of Stratospheric Sulfate Geoengineering on Tropospheric Ozone. In: Atmos. Chem. Phys. Discuss., S. 1–38. DOI: 10.5194/acp-2017-434

"Using a version of the Community Earth System Model from the National Center for Atmospheric Research that includes comprehensive tropospheric and stratospheric chemistry, we model both stratospheric sulfur injection and solar irradiance reduction schemes, with the aim of achieving equal levels of surface cooling relative to the Representative Concentration Pathway 6.0 scenario. This allows us to compare the impacts of sulfate aerosol and solar dimming on atmospheric ozone concentrations."

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19.05.2017

# Media

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Axios: We asked five experts about engineering the climate

"What do we need to know before someone pushes start on a large-scale geoengineering attempt? And what Earth-altering experiment should we try first? Five leading researchers answered those questions and gave us their take on the risks, as well as the thorny ethical and legal issues that come with unleashing a technology that could span countries, cultures, and generations."

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19.05.2017

# Media

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Reuters: Reversing climate change with carbon-sucking plantations not realistic, scientists warn

On Boysen et al. (2017). "A proposal to turn back climate change by planting vast swathes of land with fast-growing trees and plants that can be burned for electricity, with the carbon they release captured and stored, is not “realistic and feasible”, scientists said Thursday. The idea, included in many economic and science models on how the world might try to reverse runaway climate change, cannot serve as an emergency back-up if the world fails to rapidly switch from fossil fuels to renewable energy and then regrets the consequences, said scientists at the Potsdam Institute for Climate Impact Research in Germany."

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19.05.2017

# New Publications

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Field, Christopher B.; Mach, Katharine J. (2017): Rightsizing carbon dioxide removal

Field, Christopher B.; Mach, Katharine J. (2017): Rightsizing carbon dioxide removal. In: Science 356 (6339), S. 706–707. DOI: 10.1126/science.aam9726

"Betting the future on planetary-scale carbon dioxide removal from the atmosphere is risky."

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