Journal article

Equitable mitigation to achieve the Paris Agreement goals

Yann Robiou du Pont, M Louise Jeffery, Johannes Guetschow, Joeri Rogelj, Peter Christoff, Malte Meinshausen

NATURE CLIMATE CHANGE | NATURE PUBLISHING GROUP | Published : 2017

Abstract

Benchmarks to guide countries in ratcheting-up ambition, climate finance, and support in an equitable manner are critical but not yet determined in the context of the Paris Agreement. We identify global cost-optimal mitigation scenarios consistent with the Paris Agreement goals and allocate their emissions dynamically to countries according to five equity approaches. At the national level, China's Nationally Determined Contribution (NDC) is weaker than any of the five equity approaches, India's NDC is aligned with two, and the EU's and the USA's with three. Most developing countries' conditional (Intended) NDCs (INDCs) are more ambitious than the average of the five equity approaches under t..

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Grants

Awarded by Australian Research Council (ARC)


Funding Acknowledgements

We gratefully acknowledge the work of modellers behind the IPCC-AR5 emissions scenarios. M. Meinshausen is supported by the Australian Research Council (ARC) Future Fellowship (grant number FT130100809). Deep thanks to A. Talberg for her comments on the manuscript.