The road to achieving the long-term Paris targets: energy transition and the role of direct air capture

Adriana Marcucci (), Socrates Kypreos () and Evangelos Panos ()
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Adriana Marcucci: ETH Zurich, Center of Economic Research
Socrates Kypreos: Paul Scherrer Institute, Energy Economics Group
Evangelos Panos: Paul Scherrer Institute, Energy Economics Group

Climatic Change, 2017, vol. 144, issue 2, No 8, 193 pages

Abstract: Abstract In this paper, we quantify the energy transition and economic consequences of the long-term targets from the Paris agreement, with a particular focus on the targets of limiting global warming by the end of the century to 2 and 1.5 °C. The study assumes early actions and quantifies the market penetration of low carbon technologies, the emission pathways and the economic costs for an efficient reduction of greenhouse gas (GHG) emissions such that the temperature limit is not exceeded. We evaluate the potential role of direct air capture (DAC) and its impact on policy costs and energy consumption. DAC is a technology that removes emissions directly from the atmosphere contributing to negative carbon emissions. We find that, with our modelling assumptions, limiting global temperature to 1.5 °C is only possible when using DAC. Our results show that the DAC technology can play an important role in realising deep decarbonisation goals and in the reduction of regional and global mitigation costs with stringent targets. DAC acts a substitute to Bio-Energy with Carbon Capture and Storage (BECCS) in the stringent scenarios. For this analysis, we use the model MERGE-ETL, a technology-rich integrated assessment model with endogenous learning.

Date: 2017
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DOI: 10.1007/s10584-017-2051-8

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