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Geothermal energy and carbon emissions nexus in leading geothermal-consuming nations: Evidence from nonparametric analysis

Author

Listed:
  • Muhammad Umar
  • Abraham Ayobamiji Awosusi
  • Oluwatayomi Rereloluwa Adegboye
  • Opeoluwa Seun Ojekemi

Abstract

The pursuit of decarbonization has created an awareness globally in relation to geothermal energy, either for electricity generation or direct usage, since fuel combustion is not needed. Premised on this intriguing detail, this present research scrutinizes the impact of geothermal energy on CO 2 emissions in the top seven geothermal energy-consuming nations. Using the quarterly dataset of geothermal and CO 2 emissions stretching over the period between 1990 and 2019. The quantile-on-quantile (QQ) approach, which considers the conventional quantile analysis and nonparametric, is utilized in this research to provide more accurate and robust estimations. Furthermore, the QQ approach differentiates the impacts of geothermal energy on CO 2 emissions into three quantiles: upper, medium, and lower. Additionally, the nonparametric causality-in-quantiles is used to evaluate the causation in quantiles between geothermal and CO 2 emissions. From the outcomes of the QQ approach, we discovered that in several quantiles, geothermal energy mitigates environmental deterioration, wherein CO 2 emission is reduced in Italy, Mexico, and New Zealand. However, geothermal energy boosts CO 2 emissions in India, the USA, Turkey, and the Philippines. Furthermore, the nonparametric causality-in-quantiles discovered that geothermal energy predicts CO 2 emissions in all nations.

Suggested Citation

  • Muhammad Umar & Abraham Ayobamiji Awosusi & Oluwatayomi Rereloluwa Adegboye & Opeoluwa Seun Ojekemi, 2024. "Geothermal energy and carbon emissions nexus in leading geothermal-consuming nations: Evidence from nonparametric analysis," Energy & Environment, , vol. 35(5), pages 2726-2752, August.
    • Handle: RePEc:sae:engenv:v:35:y:2024:i:5:p:2726-2752
    DOI: 10.1177/0958305X231153972
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