Carbon deficit checks in high resolution and compensation under regional inequity

Mengyao Xia, Xiaowei Chuai, Hongbo Xu, Helen Huifen Cai, Ai Xiang, Junyu Lu, Fengtai Zhang, Mengying Li

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

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 × 108 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 × 108 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 × 108 and 0.13 × 108 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.

Original languageEnglish (US)
Article number116986
JournalJournal of Environmental Management
Volume328
DOIs
StatePublished - Feb 15 2023

Keywords

  • Carbon compensation
  • Carbon deficit
  • China
  • Land-use change
  • Regional inequity

ASJC Scopus subject areas

  • Environmental Engineering
  • Waste Management and Disposal
  • Management, Monitoring, Policy and Law

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