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on April 13, 2023

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The race to produce rare earth materials

via MIT Technology Review https://ift.tt/XhLP0su Abandoning fossil fuels and adopting lower-carbon technologies are our best options for warding off the accelerating threat of climate change. Access to rare earth elements, key ingredients in many of these technologies, will partly determine which countries will meet their goals for lowering emissions or increasing the proportion of electricity generated from non-fossil-fuel sources. But some nations, including the US, are increasingly worried about whether the supply of those elements will remain stable. According to the International Energy Agency, demand for rare earth elements is expected to reach three to seven times current levels by 2040; demand for other critical minerals such as lithium may multiply 40-fold . Delivering on the 2016 Paris Agreement , under which signatory nations are obligated to reduce emissions to cap the global temperature increase, would require the global mineral supply to quadruple within the same ti

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