Whether China made efforts to decouple economic growth from CO2 emissions?-Production vs consumption perspective
2020
Yang, Lin | Yang, Yuantao | Lv, Haodong | Wang, Dong
Decoupling analysis is able to reveal the linkage between economic growth and environmental pressure. However, traditional studies mostly concentrate on production-based decoupling analysis and ignore the pressure emerging from supply chains to satisfy the final consumption. Through a comprehensive framework integrating input–output analysis, decomposition methods, and the Tapio index, this work may be considered the first attempt to explore whether China made efforts to decouple economic growth from CO₂ emissions from production-based and consumption-based perspectives simultaneously. We found that (1) CO₂ emissions in China expanded by around 1.6-fold during 2002–2015, of which Production and supply of electricity and heat and Construction contributed most to the production-based emissions (PBE) and consumption-based emissions (CBE), respectively; (2) Three-quarters of sectors presented weak decoupling or strong decoupling under both PBE and CBE perspectives, and Textile was the only sector achieving strong decoupling under both perspectives; (3) All sectors have made efforts to decouple economic growth from CO₂ emissions under PBE perspective, while several sectors failed under CBE perspective. Overall, the decoupling status for PBE was better than that for CBE during the study period. Our results are able to provide targeted and effective references for allocating decoupling responsibilities between producers and final consumers more adequately and reasonably.
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