Carbon deficit checks in high resolution and compensation under regional inequity

Xia, Mengyao, Chuai, Xiaowei, Xu, Hongbo, Cai, Huifen (Helen) ORCID: https://orcid.org/0000-0002-5893-8291, Xiang, Ai, Lu, Junyu, Zhang, Fengtai and Li, Mengying (2023) Carbon deficit checks in high resolution and compensation under regional inequity. Journal of Environmental Management, 328 , 116986. pp. 1-10. ISSN 0301-4797 [Article] (doi:10.1016/j.jenvman.2022.116986)

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Abstract

Carbon compensation is an effective way of reducing carbon emissions. However, previous studies in this field have been limited and have not examined high-precision scientific carbon compensation under regional inequity. The present study examined initial carbon compensation in the grid and developed a new equitable carbon compensation model. Additionally, it modified the carbon compensation value for each province and analysed how land-use change affected carbon compensation. The results show that, after the modification, the entire carbon deficit reached 17.34 × 10  t C in 2015, representing a decrease of 14% compared with the initial carbon deficit. The area with negative carbon deficit values accounted for 36% of the whole area, concentrated mainly in the south, southwest and northwest. Without modification, the initial carbon compensation reached 537 × 10 USD, and only Yunnan, Sichuan and Hainan provinces being eligible to receive compensation. The final modified carbon compensation was approximately 20% of the initial values, and 11 provinces were eligible to obtain compensation. The other provinces responsible for paying the carbon compensation costs were typically concentrated in Central and Eastern China. Land-use changes in 2015 led to increases in the initial carbon compensation and modified carbon compensation of 3.74 × 10 and 0.13 × 10 USD, respectively. The per-unit land-use change caused greater increases in carbon emissions in China's big cities and the provinces in Central and East China. Some policies, such as macro-control by the central government, diversified forms and patterns of compensation, and auxiliary measures should be formulated/proposed.
[Abstract copyright: Copyright © 2022. Published by Elsevier Ltd.]

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