Browsing UNEP Knowledge Repository by Subject "rare earth elements"
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Green Economy Vulnerable to Rare Earth Minerals Shortages - UNEP Global Environmental Alert Service (GEAS) - January 2011
(2011)Rare earth elements (REE) include the 17 elements on the periodic table of chemical elements. Industrial demand for these elements is small in terms of volume but they are essential for a wide and growing array of green ...