已经有次观看 wencong在2013-07-10发布

Channel：Rare Earth 标签： Rare,  non-living  resources 

简介：Rare is the nature of non-renewable resources, China for the protection of resources and the environment to limit exports of rare earths is in line with WTO rules, not intentionally distorting rules to protect domestic industries. China currently supplies more than 90 percent of the world's rare earth consumption, but also to pay a huge environmental cost, while the United States as early as 1997 closed the nation's largest rare earth mine Mountain Pass. Earth as a non-renewable resources, unlimited use will eventually not a permanent solution, developing alternative sources of rare earth is as urgent today.
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