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Carbon Dioxide Removal


Enhanced Weathering

Enhanced weathering is a carbon dioxide removal technique that involves spreading pulverized silicate rocks across large tracts of land to accelerate the natural process of storing carbon as carbonate compounds on land or bicarbonate at sea.
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Potential for large-scale CO2 removal via enhanced rock weathering with croplands

2020
Scholarly Work
David J. Beerling, Euripides P. Kantzas, Mark R. Lomas, Peter Wade, Rafael M. Eufrasio, Phil Renforth, Binoy Sarkar, M. Grace Andrews, Rachael H. James, Christopher R. Pearce
This article identifies how the deployment of enhanced rock weathering within existing croplands offers opportunities to align agriculture and climate policy, while needing to overcome political inertia to develop regulatory and incentive frameworks.

The Law of Enhanced Weathering for Carbon Dioxide Removal

2020
Scholarly Work
Romany M. Webb
This paper examines the international and U.S. legal framework for enhanced weathering on land and in ocean waters.

Potential and Costs of Carbon Dioxide Removal by Enhanced Weathering of Rocks

2018
Scholarly Work
Jessica Strefler, Thorben Amann, Nico Bauer, Elmar Kriegler, Jens Hartmann
This article provides a comprehensive assessment of the economic costs, energy requirements, technical parameterization, and global and regional carbon removal potential of enhanced weathering.

Accelerating the Carbon Cycle: The Ethics of Enhanced Weathering

2017
Scholarly Work
H. Lawford-Smith, A. Currie
This article considers the ethical issues that arise (or would arise) in the large-scale deployment of enhanced weathering.

Enhanced Chemical Weathering as a Geoengineering Strategy to Reduce Atmospheric Carbon Dioxide, Supply Nutrients, and Mitigate Ocean Acidification

2013
Scientific Report
Jens Hartmann, A. Joshua West, Phil Renforth, Peter Köhler, Christina L. De La Rocha, Dieter A. Wolf-Gladrow, Hans H. Dürr, Jürgen Scheffran
This scientific paper is an interdisciplinary review of enhanced weathering, the processes involved, and the applicability and risks of applying the method with a look at the legal framework for enhanced weathering.

Congressional Testimony of Ernest J. Moniz

2020
Hearings and Testimony
Ernest J. Moniz
Testimony before the U.S. Senate Committee on Energy and Natural Resources hearing to examine the challenges and opportunities for large-scale carbon management.

Clearing the Air: A Federal RD&D Initiative and Management Plan for Carbon Dioxide Removal Technologies

2019
Think Tank Report
Energy Futures Initiative
This report provides a set of recommendations and detailed implementation plans for a 10-year, $10.7 billion research, development, and demonstration initiative in the United States to bring new pathways for technological CDR to commercial readiness.

Opportunities for increasing ocean action in climate strategies

2019
Think Tank Report
Jean-Pierre Gattuso, Alexandre K. Magnan, Natalya D. Gallo, Dorothée Herr, Julien Rochette, Lola Vallejo, Phillip Williamson
This Policy Brief assesses 18 ocean-based measures, including some carbon dioxide removal techniques, to support climate policies and the revision of National Determined Contributions (NDCs) in the areas of mitigation and adaptation.

Moral Conflicts of several “Green” terrestrial Negative Emission Technologies regarding the Human Right to Adequate Food – A Review

2019
Scholarly Work
Patrick Hohlwegler
This paper investigates whether BECCS, afforestation/reforestation, and enhanced weathering would cause moral conflicts regarding the human right to adequate food if implemented on a scale sufficient to limit global warming “to well below 2 C”.

Engineered CO2 Removal, Climate Restoration, and Humility

2019
Scholarly Work
Julio Friedmann
This article lays out how using engineered CDR techniques to achieve net-zero will require substantial cooperation between groups of people who commonly do not work together, including technical experts, financiers, and government officials.

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