Environment International | VOL. 136

Health co-benefits and mitigation costs as per the Paris Agreement under different technological pathways for energy supply

Publication Date Mar 1, 2020


This study assesses the reductions in air pollution emissions and subsequent beneficial health effects from different global mitigation pathways consistent with the 2°C stabilization objective of the Paris Agreement. We use an integrated modelling framework, demonstrating the need for models with an appropriate level of technology detail for an accurate co-benefit assessment. The framework combines an integrated assessment model (GCAM) with an air quality model (TM5-FASST) to obtain estimates of premature mortality and then assesses their economic cost. The results show that significant co-benefits can be found for a range of technological options, such as introducing a limitation on bioenergy, carbon capture and storage (CCS) or nuclear power. Cumulative premature mortality may be reduced by 17-23% by 2020-2050 compared to the baseline, depending on the scenarios. However, the ratio of health co-benefits to mitigation costs varies substantially, ranging from 1.45 when a bioenergy limitation is set to 2.19 when all technologies are available. As for regional disaggregation, some regions, such as India and China, obtain far greater co-benefits than others.

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Reductions In Air Pollution Emissions
Paris Agreement
Carbon Capture And Storage
Integrated Modelling Framework
Integrated Assessment Model
Health Co-benefits
Air Pollution Emissions
Air Quality Model
Mitigation Costs
Premature Mortality

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