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The (1)"rare earth elements are a group of 17 metallic elements that are found in the natural
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world. Because these elements are used in all sorts of high-tech devices, they are increasingly
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in demand. In fact, the use of these metals nearly doubled between the years 2000 and 2010.
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Despite the name, the quantity of these elements is not so low. Some recent reports have
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claimed that the amount of rare earth elements may be on the same level as that of copper* or
Even though the elements exist throughout the world, however, the quantity is not
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sufficient* for mining* profitably* in each location. Moreover, these elements are usually mixed
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with other elements, making it difficult to remove them. This explains why they have been called
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"rare" earth elements.
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Despite an ever-growing demand, few countries are mining for these metals on a large scale.
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One country, China, now handles more than 90% of all mining for rare earth metals. Other
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countries have not entered this business in part because of
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because of (2) the environmental problems th
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can occur. Extracting the metals creates a lot of waste, including radioactive* waste from
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uranium*, thorium* and other elements located in the mining area.
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The growing need for rare earth metals may convince some countries to expand their mining.
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Running out of rare earth metals is not the concern, however. Rather, the question is whether
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they can be obtained without too high of an economic or environmental cost.
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