WHEN world leaders gather in Paris later this month to forge an agreement on climate change, they will discuss ways to use less fossil fuel, expand energy-efficient technologies and reduce carbon dioxide emissions. Yet even as our leaders are pushing us to use fewer resources, their vision will force us to use more.
Though energy from the sun and wind appears boundless, the resources needed to turn it into power are not. And as we move away from oil, gas and coal, there is increasing demand for the rare metals that are at the heart of green technology. In the process, we are trading one resource dependency for another, and unleashing a new set of economic and environmental ramifications.
These rare metals — a group of roughly 50 that includes indium, rare earths and gallium — are produced in small quantities, often several thousands of tons annually or less; blended with other metals; and traded in back-room deals. But don’t let their obscurity fool you. They are critical to green technology. Their unique properties make the products we buy smaller, faster and more powerful.
They are embedded in the tallest wind turbines, the smallest computer chip and in every battery. If we succeed in meeting the International Energy Agency’s minimum recommendation of nearly quadrupling wind power capacity by 2030, growing electric vehicle use more than 100-fold by 2025, and increasing battery efficiency, specialty metals like dysprosium and cobalt will take center stage.
The Department of Energy and the European Union now fret over potential shortages of these metals because the speed of technological innovation may soon outpace our ability to develop sustainable supplies to support them. The American Chemical Society reports that nearly half of naturally occurring elements face supply risks. But a sole focus on geologic supply is misguided.
The greater concern is that miners cannot quickly ramp up production. Supply lines can take 10 to 15 years to develop, resulting in part from challenging mining regulations, the high costs of opening a mine and environmental concerns. And finding the right mix of heat and acids to produce some of these metals can take years, if it can be done at all. Having the minerals in the ground doesn’t mean these metals can be produced.
Any agreement (and there will be one given all the concern about climate change) by world leaders gathering in Paris later this month on climate change - should only increase demand for what NTU intends to produce
Northern Minerals has the only rare earth project in the world with all approvals in place and ready to go into production !
... well bugger me the New York Times reports there is going to be a dysprosium shortage
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