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Updated: May 21, 2025

Design and Use of a Full Flow Sampling System FFS for the Quantification of Methane Emissions
Published on: June 12, 2016
Global coal trade induces large CH4 emissions
Jinling Guo1, Junlian Gao1, Kejia Yan2
1School of Management, China University of Mining and Technology (Beijing), Beijing 100083, China.
Abstract:
Coal mining is a major source of global anthropogenic methane (CH4) emissions contributing to climate change. The volume of coal traded has reached new heights in recent years, however, existing studies have ignored the impact of CH4 emissions induced by coal trade. This study investigates the spatiotemporal evolution of global coal trade-related CH4 emissions from 1990 to 2021. Global coal trade-related CH4 emissions increased 3.5 times from around 1.4 Tg to 6.1 Tg during this period. Examining past global coal trade activities reveals the extraordinary growth and prominence of the Asia-Pacific region. Australia, Indonesia, and Russia dominated trade-related CH4 emissions, accounting for 80.4% in 2021. Hub economies have the potential to drive significant mitigation of trade-related CH4 emissions through energy consumption transitions, the deployment of emissions mitigation technologies, and changes in trade structure. Our findings shed light on identifying trade-induced emissions hotspots and managing coal-related CH4 to mitigate climate change.
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