05.07.2021

# New Publications

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Beck, S.; Oomen, Jeroen (2021): Imagining the corridor of climate mitigation – What is at stake in IPCC’s politics of anticipation?

Beck, S.; Oomen, Jeroen (2021): Imagining the corridor of climate mitigation – What is at stake in IPCC’s politics of anticipation? In Environmental Science & Policy 123, pp. 169–178. DOI: 10.1016/j.envsci.2021.05.011.

"The article examines how the Intergovernmental Panel on Climate Change (IPCC) performs its self-proclaimed role as ‘mapmaker. We seek to contribute to the emerging literature on global environmental assessments (GEA) and climate politics by reconstructing how the IPCC imagines the corridor for climate mitigation."

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14.06.2021

# New Publications

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Hannah, Lee (2022): Chapter 21 - Mitigation: Reducing Greenhouse Gas Emissions, Sinks, and Solutions

Hannah, Lee (2022): Chapter 21 - Mitigation: Reducing Greenhouse Gas Emissions, Sinks, and Solutions. In Lee Jay Hannah (Ed.): Climate change biology. Third edition. London, [Amsterdam]: Academic Press, pp. 439–472.

"Stopping climate change requires much more than emissions reductions: it requires stabilizing atmospheric greenhouse gas (GHG) concentrations. In the absence of large new additional sinks for CO2 and other GHGs, stabilization equates to reducing emissions nearly to zero. In turn, near-zero emissions means complete transition of the world's energy supply to renewable (non-CO2-emitting) sources. This is a huge task—one that will need to be accomplished in stages."

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10.06.2021

# New Publications

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Grant, Neil; et al. (2021): Confronting mitigation deterrence in low-carbon scenarios

Grant, Neil; Hawkes, Adam; Mittal, Shivika; Gambhir, Ajay (2021): Confronting mitigation deterrence in low-carbon scenarios. In Environ. Res. Lett. DOI: 10.1088/1748-9326/ac0749.

"Here we conduct an in-depth analysis into the relationship between emissions reduction and emissions removal in a global integrated assessment model. We explore the impact of CDR on low-carbon scenarios, illustrating how the pathway for the 2020s is highly sensitive to assumptions around CDR availability."

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24.05.2021

# New Publications

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Honegger, Matthias; Burns, Wil; Morrow, David R. (2021): Is carbon dioxide removal ‘mitigation of climate change’?

Honegger, Matthias; Burns, Wil; Morrow, David R. (2021): Is carbon dioxide removal ‘mitigation of climate change’? In RECIEL. DOI: 10.1111/reel.12401.

"We unpack how the ‘mitigation of climate change’ – as defined in the United Nations Framework Convention on Climate Change and its Paris Agreement – includes CDR as defined by the Intergovernmental Panel on Climate Change."

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17.05.2021

# New Publications

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Keyßer, Lorenz T.; Lenzen, Manfred (2021): 1.5 °C degrowth scenarios suggest the need for new mitigation pathways

Keyßer, Lorenz T.; Lenzen, Manfred (2021): 1.5 °C degrowth scenarios suggest the need for new mitigation pathways. In Nat Comms 12 (1), p. 2676. DOI: 10.1038/s41467-021-22884-9.

"As a first step to address this gap, this paper compares 1.5  °C degrowth scenarios with IPCC archetype scenarios, using a simplified quantitative representation of the fuel-energy-emissions nexus. Here we find that the degrowth scenarios minimize many key risks for feasibility and sustainability compared to technology-driven pathways, such as the reliance on high energy-GDP decoupling, large-scale carbon dioxide removal and large-scale and high-speed renewable energy transformation."

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17.05.2021

# New Publications

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Giannousakis, Anastasis; et al. (2021): How uncertainty in technology costs and carbon dioxide removal availability affect climate mitigation pathways

Giannousakis, Anastasis; Hilaire, Jérôme; Nemet, Gregory F.; Luderer, Gunnar; Pietzcker, Robert C.; Rodrigues, Renato et al. (2021): How uncertainty in technology costs and carbon dioxide removal availability affect climate mitigation pathways. In Energy 216, p. 119253. DOI: 10.1016/j.energy.2020.119253.

"We assess how energy supply costs and carbon dioxide removal (CDR) availability affect mitigation by performing a sensitivity analysis with the energy-economy-climate model REMIND. We use new scenarios with carbon price paths that aim to reduce the frequently seen temperature overshoot."

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11.05.2021

# New Publications

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Warszawski, Lila; et al. (2021): All options, not silver bullets, needed to limit global warming to 1.5°C: a scenario appraisal

Warszawski, Lila; Kriegler, Elmar; Lenton, Timothy M.; Gaffney, Owen; Jacob, Daniela; Klingenfeld, Daniel et al. (2021): All options, not silver bullets, needed to limit global warming to 1.5°C: a scenario appraisal. In Environ. Res. Lett. DOI: 10.1088/1748-9326/abfeec.

"We use a set of five parameters to bundle and characterise the mitigation levers employed in the SR1.5 1.5°C scenarios."

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28.04.2021

# New Publications

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Grassi, Giacomo; et al. (2021): Critical adjustment of land mitigation pathways for assessing countries’ climate progress

Grassi, Giacomo; Stehfest, Elke; Rogelj, Joeri; van Vuuren, Detlef; Cescatti, Alessandro; House, Jo et al. (2021): Critical adjustment of land mitigation pathways for assessing countries’ climate progress. In Nat. Clim. Chang. DOI: 10.1038/s41558-021-01033-6.

"Here we present a ‘Rosetta stone’ adjustment to translate IAMs’ land-use mitigation pathways to estimates more comparable with GHG inventories."

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06.04.2021

# New Publications

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Peacock, Kent A. (2021): As Much as Possible, as Soon As Possible: Getting Negative About Emissions

Peacock, Kent A. (2021): As Much as Possible, as Soon As Possible: Getting Negative About Emissions. In Ethics, Policy & Environment. DOI: 10.1080/21550085.2021.1904497.

"This paper is a report on the viability, both technical and ethical, of negative emissions technologies (NETs) in climate change mitigation."

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26.01.2021

# New Publications

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Drake, Henri F.; et al. (2020): A Multi-control Climate Policy Process for a Designated Decision Maker

Drake, Henri F.; Rivest, Ronald L.; Edelman, Alan; Deutch, John (2020): A Multi-control Climate Policy Process for a Designated Decision Maker. Massachusetts Institute of Technology. Cambridge, MA (MIT CEEPR Working Paper Series).

"We present an idealized model of optimally-controlled climate change, which is complementary to simpler analytical models and more comprehensive Integrated Assessment Models. We show that the four methods of controlling climate damage– mitigation, carbon dioxide removal, adaptation, and solar radiation modification– are not interchangeable, as they enter at different stages of the causal chain that connects GHG emissions to climate damages."

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