Carbon Emission Efficiency in Energy Systems
Summary
Carbon emission efficiency in energy systems evaluates how effectively energy inputs are converted into useful services per unit of carbon dioxide released. It serves as a critical metric for decoupling economic growth from greenhouse-gas emissions and for tracking progress towards net-zero and carbon-neutrality targets. Research has advanced from single-factor assessments of carbon intensity to multi-factor approaches that integrate economic structure, technological innovation and policy instruments. Practical applications range from optimising power-generation portfolios and industrial processes to designing low-carbon urban infrastructure. By combining efficiency metrics with spatial-temporal analysis, stakeholders can identify regional hotspots and tailor strategies that balance reliability, cost and environmental impact in diverse energy systems worldwide.
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Carbon Emission Efficiency in Energy Systems publication trend
The graph below shows the total number of articles in carbon emission efficiency in energy systems across all publications each year (not limited to Nature Index journals).
Technical terms
Carbon emission efficiency: A measure of the effectiveness with which an energy system delivers services relative to its carbon dioxide outputs.
Data Envelopment Analysis (DEA): A non-parametric method for assessing the relative efficiency of decision-making units based on multiple inputs and outputs.
Meta-frontier model: An analytical framework that enables efficiency comparisons across groups operating under different technologies or environmental constraints.
References
- The co-benefit of emission reduction efficiency of energy, CO2and atmospheric pollutants in China under the carbon neutrality target. Energy Strategy Reviews (2023).
- Impact of regional energy allocation distortion on carbon emission efficiency: Evidence from China. Journal of Environmental Management (2023).
- Carbon Emission Efficiency and Low-Carbon Optimization in Shanxi Province under “Dual Carbon” Background. Energies (2022).
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