Higher carbon prices on emissions alone will not deliver the Paris agreement

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Title: Higher carbon prices on emissions alone will not deliver the Paris agreement
Authors: Daggash, HA
Mac Dowell, N
Item Type: Journal Article
Abstract: Limiting global warming to 2°C by 2100 requires anthropogenic CO2 emissions to reach zero by 2070 and become negative afterwards; therefore, large-scale carbon dioxide removal (CDR) from the atmosphere is critical. We investigate the effectiveness of carbon prices in achieving the deep decarbonization needed in the power system. We find that if only CO2 emitters are penalized, increasing prices to the social cost of carbon is sufficient to achieve a decarbonized system in the medium-term but not maintain it in the long-term. Unless carbon pricing mechanisms are adapted to remunerate CDR services, CDR technologies are not deployed. Incentivizing CDR could mean that lower levels of carbon taxation are needed to meet the Paris Agreement, which in turn lowers electricity costs. However, the deployment of CDR technologies could prolong the use of unabated fossil fuels in a carbon-constrained system, therefore, disincentives must be implemented to prevent this moral hazard from manifesting.
Issue Date: 18-Sep-2019
Date of Acceptance: 9-Aug-2019
ISSN: 2542-4351
Publisher: Elsevier BV
Start Page: 2120
End Page: 2133
Journal / Book Title: Joule
Volume: 3
Issue: 9
Copyright Statement: © 2019 Elsevier Ltd. All rights reserved. This manuscript is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Licence
Sponsor/Funder: Natural Environment Research Council [2006-2012]
Natural Environment Research Council (NERC)
Funder's Grant Number: NE/P019900/1
Keywords: Science & Technology
Physical Sciences
Chemistry, Physical
Energy & Fuels
Materials Science, Multidisciplinary
Materials Science
Publication Status: Published
Embargo Date: 2020-09-04
Online Publication Date: 2019-09-04
Appears in Collections:Centre for Environmental Policy
Faculty of Natural Sciences

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