December 2017

18.12.2017

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Standard: How to get the CO2 out of the air (German)

German language newspaper article on CDR/BECCS.

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18.12.2017

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NPR: Researching How To Fight Climate Change With Geoengineering

"NPR's Lulu Garcia Navarro talks with Rep. Jerry McNerney, Democrat of California, about his new bill to research the effects and risks of "geoengineering" the planet as a way to fight climate change."

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17.12.2017

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ScienceDaily: North Sea water and recycled metal combined to help reduce global warming

"Scientists have used sea water collected from Whitby in North Yorkshire, and scrap metal to develop a technology that could help capture more than 850 million tons of unwanted carbon dioxide in the atmosphere."

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17.12.2017

# New Publications

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Lamb, Katie J.; et al. (2017): Capacitance-Assisted Sustainable Electrochemical Carbon Dioxide Mineralisation

Lamb, Katie J.; Dowsett, Mark R.; Chatzipanagis, Konstantinos; Scullion, Zhan Wei; Kröger, Roland; Lee, James D. et al. (2017): Capacitance-Assisted Sustainable Electrochemical Carbon Dioxide Mineralisation. In ChemSusChem. DOI: 10.1002/cssc.201702087.

"Whilst conventional electrochemical carbon dioxide reduction requires hydrogen, this cell generates hydrogen at the cathode. Carbon capture can be achieved in a highly sustainable manner using scrap metal within the anode, seawater as the electrolyte, an industrially relevant gas stream and a solar panel as an effective zero-carbon energy source."

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17.12.2017

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Activist Post: The Carnegie Council Calls for Global Governance to Regulate Geoengineering

"As the Carnegie Council calls for global governance to regulate climate engineering, advocates and opponents of the controversial technology prepare for a looming policy debate. "

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17.12.2017

# New Publications

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Feng, E. Y.; et al. (2017): Model-based Assessment of the CO2 Sequestration Potential of Coastal Ocean Alkalinization

Feng, E. Y.; Koeve, W.; Keller, D. P.; Oschlies, A. (2017): Model-based Assessment of the CO2 Sequestration Potential of Coastal Ocean Alkalinization. In Earth's Future. DOI: 10.1002/2017EF000659.

"The potential of Coastal Ocean Alkalinization (COA), a carbon dioxide removal (CDR) climate engineering strategy that chemically increases ocean carbon uptake and storage, is investigated with an Earth system model of intermediate complexity. The CDR potential and possible environmental side effects are estimated for various COA deployment scenarios, assuming olivine as the alkalinity source in ice-free coastal waters (about 8.6% of the global ocean's surface area), with dissolution rates being a function of grain size, ambient seawater temperature and pH. Our results indicate that for a large-enough olivine deployment of small-enough grain sizes (10 μm), atmospheric CO2 could be reduced by more than 800 GtC by the year 2100."

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17.12.2017

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Harvard Science Review: Geoengineering: Turning Back the Climate Change Clock?

"At this point in time, rather than concerning ourselves with the minutiae of international policy, it is much more meaningful for us to debate a more philosophical question: Is geoengineering the future of climate remediation? Geoengineering has only recently burst onto the scientific scene, and it presents a novel approach towards the long-standing issues of global warming and climate change. Below, we shall explore both sides of the debate and see how geoengineering fits into the evolution of science."

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17.12.2017

# New Publications

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Cao, Long; Jiang, Jiu (2017): Simulated effect of carbon cycle feedback on climate response to solar geoengineering

Cao, Long; Jiang, Jiu (2017): Simulated effect of carbon cycle feedback on climate response to solar geoengineering. In Geophys. Res. Lett. DOI: 10.1002/2017GL076546.

"Here we use an Earth system model to investigate interactive feedbacks between solar geoengineering, global carbon cycle, and climate change. We design idealized sunshade geoengineering simulations to prevent global warming from exceeding 2°C above pre-industrial under a CO2 emission scenario with emission mitigation starting from mid-of-century."

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17.12.2017

# New Publications

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Honegger, Matthias; Reiner, David (2017): The political economy of negative emissions technologies. Consequences for international policy design

"n order to understand whether NETs can provide a significant contribution to mitigation, financial incentives are needed that allow implementing the most attractive NET activities at the global scale. We see the market mechanism under Article 6.4 of the Paris Agreement – colloquially called ‘Sustainable Development Mechanism’ – as a possible cornerstone of such a policy instrument. While initially NETs will not be competitive on the free market, the mechanism can facilitate bilateral financial transfers for NETs, where mitigation units accrue to the financier."

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17.12.2017

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Clean Technica: The Key To Carbon Sequestration Could Be Right Under Our Feet

"New thinking in the scientific community suggests the answer could be right beneath our feet. Soil — which we commonly refer to dismissively as dirt — can sequester four times as much carbon dioxide as all the plants and trees in the world. It is second only to the world’s oceans in its ability to store carbon dioxide. But that ability has been drastically degraded by industrial farming techniques that rely on heavy usage of fertilizers and pesticides (mostly derived from oil), extreme tilling, and an insistence on planting the same crops over and over on the same land."

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