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Title: Carbon footprint of global natural gas supplies to China

Abstract

As natural gas demand surges in China, driven by the coal-to-gas switching policy, widespread attention is focused on its impacts on global gas supply-demand rebalance and greenhouse gas (GHG) emissions. Here, for the first time, we estimate well-to-city-gate GHG emissions of gas supplies for China, based on analyses of field-specific characteristics of 104 fields in 15 countries. Results show GHG intensities of supplies from 104 fields vary from 6.2 to 43.3 g CO2eq MJ-1. Due to the increase of GHG-intensive gas supplies from Russia, Central Asia, and domestic shale gas fields, the supply-energy-weighted average GHG intensity is projected to increase from 21.7 in 2016 to 23.3 CO2eq MJ-1 in 2030, and total well-to-city-gate emissions of gas supplies are estimated to grow by ~3 times. While securing gas supply is a top priority for the Chinese government, decreasing GHG intensity should be considered in meeting its commitment to emission reductions.

Authors:
ORCiD logo [1];  [2];  [2];  [1];  [1];  [2];  [1]
  1. Argonne National Lab. (ANL), Lemont, IL (United States)
  2. Aramco Services Company, Novi, MI (United States). Aramco Research Center-Detroit
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE); Aramco Services Company, Novi, MI (United States)
OSTI Identifier:
1607379
Grant/Contract Number:  
AC02-06CH11357
Resource Type:
Accepted Manuscript
Journal Name:
Nature Communications
Additional Journal Information:
Journal Volume: 11; Journal Issue: 1; Journal ID: ISSN 2041-1723
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
03 NATURAL GAS

Citation Formats

Gan, Yu, El-Houjeiri, Hassan M., Badahdah, Alhassan, Lu, Zifeng, Cai, Hao, Przesmitzki, Steven, and Wang, Michael. Carbon footprint of global natural gas supplies to China. United States: N. p., 2020. Web. https://doi.org/10.1038/s41467-020-14606-4.
Gan, Yu, El-Houjeiri, Hassan M., Badahdah, Alhassan, Lu, Zifeng, Cai, Hao, Przesmitzki, Steven, & Wang, Michael. Carbon footprint of global natural gas supplies to China. United States. https://doi.org/10.1038/s41467-020-14606-4
Gan, Yu, El-Houjeiri, Hassan M., Badahdah, Alhassan, Lu, Zifeng, Cai, Hao, Przesmitzki, Steven, and Wang, Michael. Tue . "Carbon footprint of global natural gas supplies to China". United States. https://doi.org/10.1038/s41467-020-14606-4. https://www.osti.gov/servlets/purl/1607379.
@article{osti_1607379,
title = {Carbon footprint of global natural gas supplies to China},
author = {Gan, Yu and El-Houjeiri, Hassan M. and Badahdah, Alhassan and Lu, Zifeng and Cai, Hao and Przesmitzki, Steven and Wang, Michael},
abstractNote = {As natural gas demand surges in China, driven by the coal-to-gas switching policy, widespread attention is focused on its impacts on global gas supply-demand rebalance and greenhouse gas (GHG) emissions. Here, for the first time, we estimate well-to-city-gate GHG emissions of gas supplies for China, based on analyses of field-specific characteristics of 104 fields in 15 countries. Results show GHG intensities of supplies from 104 fields vary from 6.2 to 43.3 g CO2eq MJ-1. Due to the increase of GHG-intensive gas supplies from Russia, Central Asia, and domestic shale gas fields, the supply-energy-weighted average GHG intensity is projected to increase from 21.7 in 2016 to 23.3 CO2eq MJ-1 in 2030, and total well-to-city-gate emissions of gas supplies are estimated to grow by ~3 times. While securing gas supply is a top priority for the Chinese government, decreasing GHG intensity should be considered in meeting its commitment to emission reductions.},
doi = {10.1038/s41467-020-14606-4},
journal = {Nature Communications},
number = 1,
volume = 11,
place = {United States},
year = {2020},
month = {2}
}

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