17.01.2020

# Media

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Microsoft: Microsoft will be carbon negative by 2030

"By 2030 Microsoft will be carbon negative, and by 2050 Microsoft will remove from the environment all the carbon the company has emitted either directly or by electrical consumption since it was founded in 1975."

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16.01.2020

# Media

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Bloomberg Environment: Military Researching Ways to Suck Carbon From Air to Make Fuel

"Technology that would suck carbon dioxide from the air and ocean water could be more quickly scaled up to address climate change now that the military is getting involved, scientists say."

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16.01.2020

# Media

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New patent: Temperature-Vacuum Swing Adsorption Process for Capture of CO2

"Methods and systems for capture of COfrom a hydrated gaseous stream are described. Systems can be utilized for direct air capture of COand incorporate a low energy temperature-vacuum swing adsorption (TVSA) process."

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04.01.2020

# New Publications

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Gambhir, Ajay, and Massimo Tavoni (2019): Direct Air Carbon Capture and Sequestration: How It Works and How It Could Contribute to Climate-Change Mitigation

Gambhir, Ajay, and Massimo Tavoni (2019): Direct Air Carbon Capture and Sequestration: How It Works and How It Could Contribute to Climate-Change Mitigation. One Earth 1 (4): 405–9. https://doi.org/10.1016/j.oneear.2019.11.006.

‌"Here, we explain how DACCS works, focusing on two major processes that have been developed into large-scale pilot plants. We discuss cost estimates and operational energy requirements, as well as ecological and ethical considerations. We highlight the role of DACCS in the low-carbon transition by discussing its benefits, while also noting potential trade-offs and uncertainties that deserve further investigation."

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17.12.2019

# Political Papers

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U.S. Congress: SEA FUEL Act of 2019

"A bill to require the Secretary of Defense to carry out the Direct Air Capture and Blue Carbon Removal Technology Program"

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16.12.2019

# New Publications

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Power, Ian M.; et al. (2020): Prospects for CO2 Mineralization and Enhanced Weathering of Ultramafic Mine Tailings from the Baptiste Nickel Deposit in British Columbia, Canada

Power, Ian M., Gregory M. Dipple, Peter M.D. Bradshaw, and Anna L. Harrison (2020): Prospects for CO2 Mineralization and Enhanced Weathering of Ultramafic Mine Tailings from the Baptiste Nickel Deposit in British Columbia, Canada. International Journal of Greenhouse Gas Control 94 (March): 102895. https://doi.org/10.1016/j.ijggc.2019.102895.

‌"Experiments were conducted using metallurgical test samples and pulps from cores with the aim of determining the potential for this deposit to sequester CO2 via direct air capture of atmospheric CO2 and carbonation using CO2-rich gas. The experimental direct capture rate was 3.5 kg CO2/m2/yr and would sequester 17 kt CO2/yr based on year-round reaction and when extrapolated to the scale of the proposed tailings facility (5 km2)."

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09.12.2019

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Denton Daily: Caution urged over use of ‘carbon unicorns‘ to limit warming

"Early drafts said it would require machines to suck carbon out of the air. The ideas are unrealistic, said one expert, calling them 'carbon unicorns'."

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25.11.2019

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Cognitive Medium: Blog post by Michael Nielsen: The impact of direct air carbon capture on climate change

"In these notes I explore one set of ideas for helping address climate change: direct air capture (DAC) of carbon dioxide – basically, using clever chemical reactions to pull CO2 out of the atmosphere, so it can be stored or re-used."

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24.11.2019

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Grist: Cement has a carbon problem. Here are some concrete solutions.

"The good news is that there’s no shortage of ideas for how to slim down cement’s weighty carbon footprint. The bad news is that most of them are either in their infancy or face significant barriers to adoption."

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01.11.2019

# New Publications

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Beuttler, Christoph, et al. (2019): “The Role of Direct Air Capture in Mitigation of Anthropogenic Greenhouse Gas Emissions.”

Beuttler, Christoph, Jan Wurzbacher, and Louise Charles. 2019. “The Role of Direct Air Capture in Mitigation of Anthropogenic Greenhouse Gas Emissions.” Frontiers in Climate 1. https://doi.org/10.3389/fclim.2019.00010.

"The paper will give a brief insight into DAC and in particular, the modular low temperature DAC technology developed by Climeworks of Switzerland. It will discuss potential co benefits, in particular in relation to the Sustainable Development Goals (SDGs) of the United Nations and conclude by suggesting some policy approaches on how a climate relevant scale could be achieved in time."

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