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Journal article

Fairly sharing 1.5: national fair shares of a 1.5°C-compliant global mitigation effort

This study examines national mitigation pledges presented at the 2015 Paris climate summit, relative to equity benchmarks and 1.5 °C-compliant global mitigation.

Christian Holz, Sivan Kartha / Published on 31 October 2017

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Citation

Holz, C., Kartha, S., Athanasiou, T. (2017). Fairly sharing 1.5: national fair shares of a 1.5 °C-compliant global mitigation effort. International Environmental Agreements: Politics, Law and Economics. DOI:10.1007/s10784-017-9371-z

The authors quantify each country’s range of fair shares of 1.5 °C-compliant mitigation and contrasts that with national 2025/2030 mitigation pledges. It reveals a large global mitigation gap, within which wealthier countries’ mitigation pledges fall far short, while poorer countries’ pledges collectively meet their fair share.

The authors identify twofold obligations for all countries in a justice-centred implementation of 1.5 °C-compliant mitigation: unsupported domestic reductions and engagement in deep international mitigation cooperation. The latter can be accomplished through provision of international financial and other support, or through undertaking additional supported mitigation activities.

Consequently, an equitable pathway to 1.5 °C can only be imagined with such large-scale international cooperation and support; otherwise, 1.5 °C-compliant mitigation will remain out of reach, impose undue suffering on the world’s poorest, or both.

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SEI authors

Christian Holz

SEI Affiliated Researcher

SEI US

Profile picture of Sivan Kartha
Sivan Kartha

Senior Scientist

SEI US

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10.1007/s10784-017-9371-z Closed access
Topics and subtopics
Climate : Climate policy, Mitigation, Fossil fuels
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