Climate Change Impacts on Inequality Between Countries
Climate change impacts and mitigation costs influence inequality between countries, affecting convergence rates and distribution of impacts. Research explores scenarios up to 2100, showing slower convergence under high damage estimates. Mitigation essential for limiting inequality, especially for the poorest nations.
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Influence of climate change impacts and mitigation costs on inequality between countries Taconet, M jean and Guivarch 2020 Climatic Change 160, 15 34 https://doi.org/10.1007/s10584-019-02637-w This project has received funding from the European Union s Horizon 2020 research and innovation programme under grant agreement No 821124.
Taconet, Mjean and Guivarch. 2020. Influence of climate change impacts and mitigation costs on inequality between countries. Climatic Change 160, 15 34. https://doi.org/10.1007/s10584-019-02637-w R RESEARCH QUESTIONS ESEARCH QUESTIONS How will climate change affect future inequality between countries? Lower inequality in low-emission scenarios? How much convergence between countries will continue and how fast (demographic, socio-economic, education, institutions, technical progress assumptions)? How large will the impacts of climate change be, and how unevenly distributed between countries? How large will the costs of climate change mitigation be, and how unevenly distributed across countries? This project has received funding from the European Union s Horizon 2020 research and innovation programme under grant agreement No 821124.
Taconet, Mjean and Guivarch. 2020. Influence of climate change impacts and mitigation costs on inequality between countries. Climatic Change 160, 15 34. https://doi.org/10.1007/s10584-019-02637-w M METHODS ETHODS 3408 scenarios, projections of GDP and GDP per capita for 161 countries, up to 2100. Gini coefficient of inequality between countries (population-weighted international inequality). This project has received funding from the European Union s Horizon 2020 research and innovation programme under grant agreement No 821124.
Taconet, Mjean and Guivarch. 2020. Influence of climate change impacts and mitigation costs on inequality between countries. Climatic Change 160, 15 34. https://doi.org/10.1007/s10584-019-02637-w R RESULTS ESULTS Impacts of climate change will slow the expected convergence between richest and poorest countries in the 21st century. Under the highest damage estimates suggest warming would reverse gains in declining inequality over the past few decades. Emission pathways compatible with the 2 C target from the Paris Agreement would limit the increase in inequality, and display the lowest inequality levels. Evolution of the Gini index in the 21st century for different socioeconomic pathways, numbered SSP1-5, and under different estimates of climate change damage. Climate change mitigation is key to limiting future inequality, provided that mitigation costs do not fall too heavily on the poorest countries. This project has received funding from the European Union s Horizon 2020 research and innovation programme under grant agreement No 821124.
