Sustainability of Emerging Energy and Transportation Technologies Impacted by Coexistence of Minerals in Nature
Research investigators have shed light on the sustainability of wind power and electric vehicles, revealing the significant impact of rare earth element extraction on the environment. According to a study published in Communications Earth & Environment, the heightened demand for rare earth elements required for wind power and electric vehicles indirectly leads to increased water use, energy demand, and carbon dioxide emissions. Despite their potential to reduce carbon dioxide emissions and improve air quality, these technologies rely on rare metals whose extraction has considerable environmental implications.
Key Takeaways:
- Wind power and electric vehicles can enhance demand for rare earth element extraction, leading to increased water use, energy demand, and carbon dioxide emissions.
- The extraction of rare earth metals for wind power and electric vehicles accounts for significant carbon dioxide equivalent emissions, ranging from 5.5 to 6.4 times those associated with dysprosium and neodymium production.
- Targeting metal-rich deposits and increasing material efficiency and recycling can reduce carbon dioxide emissions by up to 90%.
- The research emphasizes the role of resource efficiency and recycling in enhancing clean energy technologies.
- The study was funded by the Ministry of Science and Technology of the People's Republic of China and the China-Pakistan Joint Research Center on Earth Sciences.
Statistics:
- Carbon dioxide equivalent emissions associated with rare earth metal extraction and production were equivalent to between 10% and 29% of carbon dioxide emissions reduction through electric vehicle use.
- Cumulative carbon dioxide equivalent emissions associated with rare earth metals oversupply were between 5.5 and 6.4 times those associated with dysprosium and neodymium production when dysprosium demand was increased.
- Targeting metal-rich deposits and increasing material efficiency and recycling reduced carbon dioxide emissions by 78%, 39%, and 35%, respectively.
- The study highlights the need for efficient resource management to minimize environmental impacts associated with emerging energy and transportation technologies.
Sources:
- Sustainability of Emerging Energy and Transportation Technologies Is Impacted By the Coexistence of Minerals In Nature. Communications Earth & Environment, 2021;2(1).
- NewsRx. Findings from Chinese Academy of Sciences Yields New Data on Sustainability Research (Sustainability of Emerging Energy and Transportation Technologies Is Impacted By the Coexistence of Minerals In Nature). Ecology, Environment & Conservation. February 25, 2022; p 91.
- Chinese Academy of Sciences. Inst Geog Sci & Nat Resources Res Igsnrr, Beijing, People's Republic of China.