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Carbon Dioxide Removal

Carbon dioxide removal (CDR) techniques, or negative emission technologies (NETs), are a suite of natural and technological pathways to remove and sequester carbon dioxide (CO₂) from the air. Unlike carbon capture and storage, these techniques remove CO₂ directly from the atmosphere or enhance natural carbon sinks.
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De facto governance: how authoritative assessments construct climate engineering as an object of governance

2018
Scholarly Work
Aarti Gupta, Ina Möller
This paper discusses how authoritative assessments, meaning expert-led, multi-author assessments produced by eminent scientific bodies, constitute a source of de facto governance and consequently shape the context for de jure types of governance.

A scenario process to inform Australian geoengineering policy

2018
Scholarly Work
Anita Talberg, Sebastian Thomas, John Wiseman
This paper reflects on an Australian geoengineering scenario project as a practical and innovative platform for informing governance.

Blurred Lines: The Ethics and Policy of Greenhouse Gas Removal at Scale

2018
Scholarly Work
Emily M. Cox, Nick Pidgeon, Elspeth Spence, Gareth Thomas
This paper proposes moving beyond classifying climate strategies as a set of discrete categories, toward a prioritization of questions of scale of both technology and decision-making in the examination of social and ethical risks.

Geoengineering at the “Edge of the World”: Exploring perceptions of ocean fertilisation through the Haida Salmon Restoration Corporation

2018
Scholarly Work
Kate Elizabeth Gannon, Mike Hulme
This paper uses the Haida Salmon Restoration Corporation's 2012 ocean fertilization experiment to report a novel situated study of public perceptions of geoengineering and present a broad geoengineering governance strategy.

Negative emissions—Part 1: Research landscape and synthesis

2018
Scholarly Work
Jan C Minx, William F Lamb, Max W Callaghan, Sabine Fuss, Jérôme Hilaire, Felix Creutzig, Thorben Amann, Tim Beringer, Wagner de Oliveira Garcia, Jens Hartmann, Tarun Khanna, Dominic Lenzi, Gunnar Luderer, Gregory F Nemet, Joeri Rogelj, Pete Smith, Jose Luis Vicente Vicente, Jennifer Wilcox, Maria del Mar Zamora Dominguez
This paper, part 1 of a 3 part series on NETs, clarifies the role of NETs in climate change mitigation scenarios, their ethical implications, as well as the challenges involved in bringing the various NETs to the market and scaling them up in time.

Negative emissions—Part 2: Costs, potentials and side effects

2018
Scholarly Work
Sabine Fuss, William F Lamb, Max W Callaghan, Jérôme Hilaire, Felix Creutzig, Thorben Amann, Tim Beringer, Wagner de Oliveira Garcia, Jens Hartmann, Tarun Khanna, Gunnar Luderer, Gregory F Nemet, Joeri Rogelj, Pete Smith, José Luis Vicente Vicente, Jennifer Wilcox, Maria del Mar Zamora Dominguez, Jan C Minx
This paper, part 2 of a 3 part series on negative emissions, presents estimates of costs, potentials, and side-effects for negative emission technologies.

Negative emissions—Part 3: Innovation and upscaling

2018
Scholarly Work
Gregory F Nemet, Max W Callaghan, Felix Creutzig, Sabine Fuss, Jens Hartmann, Jérôme Hilaire, William F Lamb, Jan C Minx, Sophia Rogers, Pete Smith
This paper finds that if NETs are to be deployed at the levels required to meet 1.5 °C and 2 °C targets, then important post-R&D issues will need to be addressed, including incentives for early deployment, niche markets, scale-up, and demand.

Safeguarding Against Environmental Injustice: 1.5°C Scenarios, Negative Emissions, and Unintended Consequences

2018
Scholarly Work
Natalie Jones
This article argues that environmental and climate justice concerns need to be accounted for in the design of policy measures for keeping warming below 1.5°C, and outlines policy guidance for safeguarding against unintended consequences.

Integrating carbon dioxide removal into EU climate policy: Prospects for a paradigm shift

2018
Scholarly Work
Oliver Geden, Vivian Scott, James Palmer
This paper explores the political dimensions and policy implications of expectations for “negative emissions” in the European Union, and explores possible pathways for its limited introduction.

How Low Can We Go? The Implications of Delayed Ratcheting and Negative Emissions Technologies on Achieving Well Below 2 °C

2018
Scholarly Work
Matthew Winning, Steve Pye, James Glynn, Daniel Scamman, Daniel Welsby
This chapter considers the impacts of delaying ratcheting-up commitments until 2030 on global emissions trajectories towards 2 °C and 1.5 °C, and the role of offsets via negative emissions technologies.

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