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Related Experiment Video

Updated: May 10, 2026

CO2 Photoreduction to CH4 Performance Under Concentrating Solar Light

CO₂ Photoreduction to CH₄ Performance Under Concentrating Solar Light

Published on: June 12, 2019

Outsourcing CO2 within China.

Kuishuang Feng¹, Steven J Davis, Laixiang Sun

¹Department of Geographical Sciences, University of Maryland, College Park, MD 20742, USA.

Proceedings of the National Academy of Sciences of the United States of America

|June 12, 2013

Summary

This summary is machine-generated.

Rich regions in China outsource carbon emissions to poorer provinces. 57% of emissions are tied to goods consumed elsewhere, impacting interprovincial climate equity and targets.

Keywords:

embodied emissions in trade multiregional input–output analysis regional disparity

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Published on: October 25, 2017

Area of Science:

Environmental Science
Economics
Climate Change Studies

Background:

Global living standards often correlate with CO2 emissions from less developed regions.
Developed regions within countries can also externalize emissions to less developed regions through trade.

Purpose of the Study:

To quantify CO2 emissions embodied in interprovincial and international trade within China.
To analyze the relationship between economic development and carbon emissions across Chinese provinces.

Main Methods:

Tracking CO2 emissions associated with goods traded among Chinese provinces.
Analyzing emissions based on consumption and production locations.

Main Results:

57% of China's CO2 emissions are linked to goods consumed outside their production province.
Highly developed coastal provinces import up to 80% of their consumption-based emissions from less developed inland provinces.
This interprovincial trade pattern facilitates carbon leakage, hindering emissions targets in poorer regions.

Conclusions:

Consumption-based emissions accounting is crucial for effective and equitable climate policy in China.
Addressing interprovincial carbon leakage is essential for balancing economic growth and environmental sustainability.
Developed regions may achieve targets by outsourcing emissions, highlighting the need for coordinated policy.