30.06.2019

# New Publications

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Bock, L.; et al. (2019): Contrail cirrus radiative forcing for future air traffic

Bock, L.; Burkhardt, U. (2019): Contrail cirrus radiative forcing for future air traffic. In: Atmos. Chem. Phys 19 (12), S. 8163–8174. DOI: 10.5194/acp-19-8163-2019.

"The climate impact of air traffic is to a large degree caused by changes in cirrus cloudiness resulting from the formation of contrails. Contrail cirrus radiative forcing is expected to increase significantly over time due to the large projected increases in air traffic. We use ECHAM5-CCMod, an atmospheric climate model with an online contrail cirrus parameterization including a microphysical two-moment scheme, to investigate the climate impact of contrail cirrus for the year 2050."

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30.06.2019

# Media

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Environmental Defense Fund: Our position on geoengineering

"Deliberate climate interventions such as albedo modification should not be undertaken for the foreseeable future as they present serious ecological, moral and geopolitical concerns."

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30.06.2019

# New Publications

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Schubert, J. (2019): Measuring, Modeling, Controlling the Climate? Numerical Expertise in U.S. Climate Engineering Politics

Schubert, J. (2019): Measuring, Modeling, Controlling the Climate? Numerical Expertise in U.S. Climate Engineering Politics. In: Markus J. Prutsch (Hg.): Science, Numbers and Politics. Cham: Palgrave Macmillan US, p. 181–201.

"This contribution explores the role of quantified scientific expertise for U.S. geoengineering politics. Drawing on empirical evidence from federal proceedings, it assesses how climate measures, models, targets, and thresholds have shaped the trajectory of geoengineering within U.S. climate policy between 1990 and 2015."

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26.06.2019

# Media

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Huffpost: A Longshot 2020 Candidate Wants To Push Geoengineering Into The Climate Debate

"Geoengineering is a catch-all term for technologies that could counter the effects of global warming. Ideas range from the relatively benign, like sucking carbon dioxide out of the atmosphere; to the quirky, like building berms at the base of Arctic glaciers to slow melting from the warming ocean; to the radical, such as solar radiation management, which involves spraying sulfur gases into the atmosphere to reflect the sun’s warming rays back into space."

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26.06.2019

# Media

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Carbon Engineering: Government of Canada invests $25m in clean energy technology that creates fuel from air

"The Honourable Jonathan Wilkinson, Minister of Fisheries, Oceans, and the Canadian Coast Guard, today announced an investment of CAN$25 million in Carbon Engineering Ltd. (CE), a Canadian clean energy company that is pioneering technologies to capture and reuse carbon dioxide (CO2) from the atmosphere. This announcement highlights Canada’s continuing support for home-grown cleantech innovations and signifies the government’s commitment to deploy technologies that support the transition to a low carbon economy. It follows the company’s recently completed private investment round of CAN$91 million."

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26.06.2019

# Calls & events

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Call for Abstracts: 2nd International Conference on Negative CO2 Emissions

Deadline: 1. November 2019

"The 2nd International Conference on Negative CO2 Emissions will be held May 12-15, 2020, at Chalmers University of Technology, Gothenburg, Sweden. The purpose of this conference series is to bring together a wide range of scientists, experts and stakeholders, in order to engage in various aspects of research relating to negative CO2 emissions. This will include various negative emission technologies, climate modelling, climate policies and incentives."

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24.06.2019

# Calls & events

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Newsletter of Week 26 of 2019

The newsletter of calendar week 26 in 2019 is now available here.


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24.06.2019

# New Publications

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Gunderson, R.; et al. (2019): Materialized ideology and environmental problems: The cases of solar geoengineering and agricultural biotechnology

Gunderson, R.; Stuart, D.; Petersen, B. (2019): Materialized ideology and environmental problems: The cases of solar geoengineering and agricultural biotechnology. In: European Journal of Social Theory 57 (3), 136843101983925. DOI: 10.1177/1368431019839252.

"This article expands upon the notion of ideology as a material phenomenon, usually in the form of institutionalized, taken-for-granted practices. It draws on Herbert Marcuse and related thinkers to conceptualize technological solutions to environmental problems as materialized ideological responses to social-ecological contradictions, which, by concealing these contradictions, reproduce existing social conditions."

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24.06.2019

# New Publications

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Horton, J.; et al. (2019): Multilateral parametric climate risk insurance: a tool to facilitate agreement about deployment of solar geoengineering?

Horton, J.; Keith, D. (2019): Multilateral parametric climate risk insurance: a tool to facilitate agreement about deployment of solar geoengineering? In: Climate Policy 19 (7), S. 820–826. DOI: 10.1080/14693062.2019.1607716.

"States will disagree about deployment of solar geoengineering, technologies that would reflect a small portion of incoming sunlight to reduce risks of climate change, and most disagreements will be grounded in conflicting interests. States that object to deployment will have many options to oppose it, so states favouring deployment will have a powerful incentive to meet their objections. Objections rooted in opposition to the anticipated unequal consequences of deployment may be met through compensation, yet climate policy is inhospitable to compensation via liability. We propose that multilateral parametric climate risk insurance might be a useful tool to facilitate agreement on solar geoengineering deployment."

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24.06.2019

# Media

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Z6MAG: Clean Energy Company Partners With Big Oil Companies: An Irony

"Carbon Engineering (CE) gets investments from Bill Gates, BHP, Occidental Petroleum, and Chevron amounting to $68 million. CE is a Canadian clean energy company using Direct Air Capture technology to remove carbon dioxide (CO2) from the atmosphere. The CO2 captured by the company is then processed and reproduced into fuel. In theory, with this technology, the Earth will have a fighting chance against climate change."

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