Has the relationship between non-fossil fuel energy sources and CO2 emissions changed over time? A cross-national study, 2000–2013

Has the relationship between non-fossil fuel energy sources and CO2 emissions changed over time?... This study investigates the possibly changing relationship between non-fossil fuel energy sources (biomass, geothermal, hydro, nuclear, solar, and wind) and CO2 emissions over the temporal period 2000 to 2013. The results from two-way fixed effects longitudinal models demonstrate that the carbon elasticities of these energy sources change over time but not symmetrically. Wind’s association with CO2 emissions became increasingly negative after the Great Recession (i.e., suppressed emissions at a greater rate). Nuclear’s association with CO2 resembled a distorted U-shaped curve over time. Biomass’ elasticity fluctuated between positive and negative values. Solar and geothermal’s elasticity remained fairly consistent over the course of the analysis, and hydro’s elasticity increased over time but remained negative throughout the study’s temporal period. The study provides several tentative explanations for these findings. Overall, the results suggest there are various processes at play that influence an energy source’s relation to CO2 emissions. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Climatic Change Springer Journals

Has the relationship between non-fossil fuel energy sources and CO2 emissions changed over time? A cross-national study, 2000–2013

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Publisher
Springer Journals
Copyright
Copyright © 2018 by Springer Science+Business Media B.V., part of Springer Nature
Subject
Earth Sciences; Atmospheric Sciences; Climate Change/Climate Change Impacts
ISSN
0165-0009
eISSN
1573-1480
D.O.I.
10.1007/s10584-018-2215-1
Publisher site
See Article on Publisher Site

Abstract

This study investigates the possibly changing relationship between non-fossil fuel energy sources (biomass, geothermal, hydro, nuclear, solar, and wind) and CO2 emissions over the temporal period 2000 to 2013. The results from two-way fixed effects longitudinal models demonstrate that the carbon elasticities of these energy sources change over time but not symmetrically. Wind’s association with CO2 emissions became increasingly negative after the Great Recession (i.e., suppressed emissions at a greater rate). Nuclear’s association with CO2 resembled a distorted U-shaped curve over time. Biomass’ elasticity fluctuated between positive and negative values. Solar and geothermal’s elasticity remained fairly consistent over the course of the analysis, and hydro’s elasticity increased over time but remained negative throughout the study’s temporal period. The study provides several tentative explanations for these findings. Overall, the results suggest there are various processes at play that influence an energy source’s relation to CO2 emissions.

Journal

Climatic ChangeSpringer Journals

Published: May 21, 2018

References

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