| Title | Urban cross-sector actions for carbon mitigation with local health co-benefits in China |
|---|---|
| ID_Doc | 29594 |
| Authors | Ramaswami, A; Tong, KK; Fang, A; Lal, RM; Nagpure, AS; Li, Y; Yu, HJ; Jiang, DQ; Russell, AG; Shi, L; Chertow, M; Wang, YJ; Wang, SX |
| Title | Urban cross-sector actions for carbon mitigation with local health co-benefits in China |
| Year | 2017 |
| Published | Nature Climate Change, 7.0, 10 |
| Abstract | Cities offer unique strategies to reduce fossil fuel use through the exchange of energy and materials across homes, businesses, infrastructure and industries co-located in urban areas. However, the large-scale impact of such strategies has not been quantified. Using new models and data sets representing 637 Chinese cities, we find that such cross-sectoral strategies-enabled by compact urban design and circular economy policies-contribute an additional 15%-36% to national CO2 mitigation, compared to conventional single-sector strategies. As a co-benefit, similar to 25,500 to similar to 57,500 deaths annually are avoided from air pollution reduction. The benefits are highly variable across cities, ranging from < 1%-37% for CO2 emission reduction and < 1%-47% for avoided premature deaths. These results, using multi-scale, multi-sector physical systems modelling, identify cities with high carbon and health co-benefit potential and show that urban-industrial symbiosis is a significant carbon mitigation strategy, achievable with a combination of existing and advanced technologies in diverse city types. |
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