22.07.2019

# Media

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TEDx Talks: From Climate Shock to Geoengineering. Gernot Wagner

"Climate economist Dr. Gernot Wagner discusses how solar geoengineering can be a major solution to climate change. He considers Carbon taxes versus carbon taxes and talks about the issue of uncertainty as we find creative, market-based fixes for our warming planet."

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28.01.2019

# New Publications

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National Academy of Sciences, Engineering, and Medicine (2019): Gaseous Carbon Waste Streams Utilization

National Academy of Sciences, Engineering, and Medicine (2019): Gaseous Carbon Waste Streams Utilization. Washington, D.C.: National Academies Press.

"In the quest to mitigate the buildup of greenhouse gases in Earth’s atmosphere, researchers and policymakers have increasingly turned their attention to techniques for capturing greenhouse gases such as carbon dioxide and methane, either from the locations where they are emitted or directly from the atmosphere. Once captured, these gases can be stored or put to use. While both carbon storage and carbon utilization have costs, utilization offers the opportunity to recover some of the cost and even generate economic value."

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04.06.2018

# New Publications

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Moreno-Cruz, Juan B.; et al. (2018): An Economic Anatomy of Optimal Climate Policy

Moreno-Cruz, Juan B.; Wagner, Gernot; Keith, David W. (2018): An Economic Anatomy of Optimal Climate Policy. Munich Society for the Promotion of Economic Research ‐ CESifo (CESifo Working Papers).

"This paper introduces geoengineering into an optimal control model of climate change economics. Together with mitigation and adaptation, carbon and solar geoengineering span the universe of possible climate policies. Their wildly different characteristics have important implications for climate policy."

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04.06.2018

# New Publications

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Ott, Konrad (2018): On the Political Economy of Solar Radiation Management

Ott, Konrad (2018): On the Political Economy of Solar Radiation Management. In Front. Environ. Sci. 6, p. 29. DOI: 10.3389/fenvs.2018.00043.

"The paper concludes that the U.S. economic system has strong affinities to SRM supported by an emerging agency network that tries to establish a pro-SRM narrative and launch SAI research initiatives. There is recent evidence that SRM has found support from policy makers. To supporters of “green” variants of capitalism, the main claims of the article provide reasons against SAI-research. The article finishes with some remarks why SAI-research should be conditional."

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16.04.2018

# Media

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Industry Leaders: How can we lower Earth’s rising temperature?

"So what are we doing to save the humanity from this irreversible damage? After an exhaustive study on climate change phenomenon, researchers have suggested two parallel options. The first option is to extract the immense carbon dioxide chuck from the atmosphere. The other one is to reflect a little sunlight back into space to cool down Earth’s rising temperature."

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09.03.2018

# New Publications

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Mintenig, Jana; et al. (2017): The Role of Bioenergy and Carbon Capture and Storage (BECCS) in the Case of Delayed Climate Policy – Insights from Cost-Risk Analysis

Mintenig, Jana; Khabbazan, Mohammad M.; Held, Hermann (2017): The Role of Bioenergy and Carbon Capture and Storage (BECCS) in the Case of Delayed Climate Policy – Insights from Cost-Risk Analysis. In Earth Syst. Dynam. Discuss., pp. 1–30. DOI: 10.5194/esd-2017-117.

"This study closes the loop by evaluating the impact of the technology option BECCS (Bioenergy and Carbon Capture and Storage) in light of delayed climate policy under CRA. The work is conducted using the Integrated Assessment Model MIND (Model of Investment and Technological Development). This interplay creates the following insights: An inclusion of BECCS avoids corner solutions that were previously identified for delay scenarios, yielding a larger window of opportunity for action to mitigate climate change. Moreover, it postpones mitigation efforts into the future and removes the pressure to shut down fossil fuel use immediately."

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15.02.2018

# Media

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Triple Pundit: Federal Budget Bill Includes Massive Tax Credits for Carbon Capture

"Direct air capture (DAC) is a method for literally removing carbon from the atmosphere. Mechanical trees suck in ambient air and chemically separate out the carbon dioxide. From there, the captured CO2 is pumped deep underground into sealed chambers. The end result of direct air capture, in other words, is permanently stored CO2. The best part? This technology is far from theoretical. ClimeWorks is one of three startups–along with Global Thermostat and Carbon Engineering–to pull it off: Their negative emissions plant in Iceland “stores the air-captured CO2 safely and permanently in basalt, leading us closer to our efforts to achieve global warming targets.”"

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30.01.2018

# New Publications

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Strefler, Jessica; et al. (2018): Potential and costs of carbon dioxide removal by enhanced weathering of rocks

Strefler, Jessica; Amann, Thorben; Bauer, Nicolas; Kriegler, Elmar; Hartmann, Jens (2018): Potential and costs of carbon dioxide removal by enhanced weathering of rocks. In Environ. Res. Lett. DOI: 10.1088/1748-9326/aaa9c4.

"The chemical weathering of rocks currently absorbs about 1.1 Gt CO2 a-1 being mainly stored as bicarbonate in the ocean. An enhancement of this slow natural process could remove substantial amounts of CO2 from the atmosphere, aiming to offset some unavoidable anthropogenic emissions in order to comply with the Paris Agreement, while at same time it may decrease ocean acidification. We provide the first comprehensive assessment of economic costs, energy requirements, technical parameterization, and global and regional carbon removal potential. The crucial parameters defining this potential are the grain size and the weathering rates."

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22.01.2018

# New Publications

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Pfrommer, Tobias (2018): A Model of Solar Radiation Management Liability

Pfrommer, Tobias (2018): A Model of Solar Radiation Management Liability. University of Heidelberg (Discussion Paper Series, 644).

"In this paper I examine the incentives structure and welfare consequences of SRM liability regimes. Characteristics specific to SRM impact on the incentives that liability regimes provide via the definition of harm and the liability standard. Consequently, a liability regime is defined as a combination of a definition of harm and a liability standard in the model."

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20.01.2018

# New Publications

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Gunderson, Ryan; et al. (2018): A Critical Examination of Geoengineering. Economic and Technological Rationality in Social Context

Gunderson, Ryan; Petersen, Brian; Stuart, Diana (2018): A Critical Examination of Geoengineering. Economic and Technological Rationality in Social Context (Sustainability, 10).

"Substantial emissions reductions, unlike geoengineering, are costly, rely more on social-structural than technical changes, and are at odds with the current social order. Because of this, geoengineering will increasingly be considered a core response to climate change. In light of Herbert Marcuse’s critical theory, the promotion of geoengineering as a market-friendly and high-tech strategy is shown to reflect a society that cannot set substantive aims through reason and transforms what should be considered means (technology and economic production) into ends themselves. Such a condition echoes the first-generation Frankfurt School’s central thesis: instrumental rationality remains irrational."

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