Articles | Volume 19, issue 23
Atmos. Chem. Phys., 19, 14949–14965, 2019
Atmos. Chem. Phys., 19, 14949–14965, 2019

Research article 11 Dec 2019

Research article | 11 Dec 2019

Climate benefits of proposed carbon dioxide mitigation strategies for international shipping and aviation

Catherine C. Ivanovich et al.

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Subject: Gases | Research Activity: Atmospheric Modelling | Altitude Range: Troposphere | Science Focus: Physics (physical properties and processes)
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Cited articles

Azar, C. and Johansson, D. J. A.: Valuing the non-CO2 climate impacts of aviation, Clim. Change, 111, 559–579,, 2012. 
Balacombe, P., Brierley, J., Lewis, C., Skatvedt, L., Speirs, J., Hawkes, A., and Staffell, I.: How to decarbonize international shipping: Options for fuels, technologies and policies, Energy Convers. Manag., 182, 72–88, https://, 2019. 
Berntsen, T. and Fuglestvedt, J.: Global temperature responses to current emissions from the transport sector, P. Natl. Acad. Sci. USA, 105, 19154–19159,, 2008. 
Berntsen, T. K., Fuglestvedt, J., Myhre, G., Stordal, F., and Berglen, T. F.: Abatement of greenhouse gases: Does location matter?, Clim. Change, 74, 377–411,, 2006. 
Bock, L. and Burkhardt, U.: Reassessing properties and radiative forcing of contrail cirrus using a climate model, J. Geophys. Res.-Atmos., 121, 9717–9736,, 2016. 
Short summary
The Paris Agreement set the goal of remaining well below a 2 °C global temperature rise, but it is unclear how future emissions from international shipping and aviation will contribute to this threshold. Here we estimate that the sectors' future emissions of carbon dioxide will contribute a combined 0.12 °C by the end of the century should no action be taken, but proposed mitigation policies have the potential to reduce this warming by almost 90 %.
Final-revised paper