IIASA RepositoryCarbon Lorenz Curves revisited: Do the Paris Agreement and its Nationally Determined Contributions reflect a more equitable future emissions pathway?C.ZimmauthorN.NakicenovicauthorClimate change and its consequences threaten human development and lead to environmental inequality: The inequality is two-sided, both in terms of historic and current contribution to global emissions and how countries are impacted by the resulting climate change. This generated an important debate about historic responsibility of developed countries and the need for sustainable growth pathways for developing countries. This conference contribution looks into the equality dimension of the Paris Climate Agreement and its (Intended) Nationally Determined Contributions, (I)NDCs. We use the Gini index and the Lorenz curves to assess the carbon equity performance of the (I)NDCs. We compare the Gini index of annual and cumulative national average per capita GHG emissions for the time frame 2015-2030 of conditional and unconditional (I)NDCs and set this into perspective with the recent evolution of GHG emissions equality. Our results show that the (I)NDCs, while not meeting the Paris temperature goal, lead towards a more equitable future, though at a slower rate and mostly attributed to efforts by developing countries.2017-02Conference or Workshop Item

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