July 2019

31.07.2019

# Media

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Tuskegee University: New discovery by Tuskegee researchers holds promise for reducing climate change threats

"Researchers at Tuskegee University have modified and discovered new bio-based natural materials that could eliminate the harmful buildup of carbon dioxide in the atmosphere. They believe the use of naturally occurring nanocellulose holds the key to efficiently and cost-effectively mitigating carbon dioxide and other greenhouse gases associated with rising global temperatures and extreme weather events."

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31.07.2019

# Media

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The Economist: Sunshady business—the politics of geoengineering (Podcast)

"This future-gazing podcast series examines speculative scenarios and provocative prophecies. IF EFFORTS to cut emissions fall short, might some nations resort to solar geoengineering—building a sunshade in the stratosphere—to buy more time?"

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29.07.2019

# Calls & events

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Newsletter of Week 31 of 2019

The newsletter of calendar week 31 in 2019 is now available here.


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29.07.2019

# New Publications

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Reynolds, J.; et al. (2019): Highly decentralized solar geoengineering

Reynolds, J.; Wagner, G. (2019): Highly decentralized solar geoengineering. In: Environmental Politics 4 (3), S. 1–17. DOI: 10.1080/09644016.2019.1648169.

"Nonstate actors appear to have increasing power, in part due to new technologies that alter actors’ capacities and incentives. Although solar geoengineering is typically conceived of as centralized and state-deployed, we explore highly decentralized solar geoengineering. Done perhaps through numerous small high-altitude balloons, it could be provided by nonstate actors such as environmentally motivated nongovernmental organizations or individuals."

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29.07.2019

# Media

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MIT Technology Review: Geoengineering is very controversial. How can you do experiments? Harvard has some ideas.

"For years, several Harvard climate scientists have been preparing to launch a balloon capable of spraying reflective particles into the atmosphere, in the hopes of learning more about our ability to counteract global warming."

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29.07.2019

# Media

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de zeen: Iceberg-making submarine aims to tackle global warming by re-freezing the Arctic

"A team of designers led by Faris Rajak Kotahatuhaha proposes re-freezing sea water in the Arctic to create miniature modular icebergs using a submarine-like vessel, in a bid to combat climate change."

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29.07.2019

# New Publications

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Stilgoe, J. (2019): Shared space and slow science in geoengineering research

Stilgoe, J. (2019): Shared space and slow science in geoengineering research. In: René von Schomberg und Jonathan Hankins (Eds.): International handbook on responsible innovation. A global resource. Cheltenham, UK, Northampton, MA: Edward Elgar Publishing, p. 259–270.

"In this chapter, I use the idea of shared space as an analogy for the responsible governance of a controversial emerging area of science: geoengineering. I begin by sketching a conventional history of geoengineering ideas, before complicating this narrative to suggest that the conventional distribution of responsibility between climate understanding and climate control cannot be drawn as easily, as is often assumed. I then consider the contested nature of geoengineering experiments as a site for the negotiation of responsibility."

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29.07.2019

# New Publications

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Gruber, S.; et al. (2019): A Process Study on Thinning of Arctic Winter Cirrus Clouds With High‐Resolution ICON‐ART Simulations

Gruber, S.; Blahak, U.; Haenel, F.; Kottmeier, C.; Leisner, T.; Muskatel, H. et al. (2019): A Process Study on Thinning of Arctic Winter Cirrus Clouds With High‐Resolution ICON‐ART Simulations. In: J. Geophys. Res. Atmos. 498 (21), S. 339. DOI: 10.1029/2018JD029815.

"In this study, cloud‐resolving simulations of a case study for a limited area of the hibernal Arctic were performed with the atmospheric modeling system ICON‐ART (ICOsahedral Nonhydrostatic‐Aerosol and Reactive Trace gases). A thorough comparison with data both from satellite as well as aircraft measurement is presented to validate the simulations. In addition, the model is applied to clarify the microphysical processes occurring when introducing artificial aerosol particles into the upper troposphere with the aim of modifying cirrus clouds in the framework of climate engineering."

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29.07.2019

# Media

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BBC News: Ethiopia 'breaks' tree-planting record to tackle climate change

"Ethiopia has planted more than 350 million trees in a day, officials say, in what they believe is a world record. Prime Minister Abiy Ahmed is leading the project, which aims to counter the effects of deforestation and climate change in the drought-prone country."

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29.07.2019

# Media

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U.S. News: Carbon Capture: Boon or Boondoggle?

"With backing from Bill Gates and lucrative partnerships with oil companies, a startup says a planned project in Texas will offer a long-sought solution to climate change. But will it?"

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