GUYUN VILLAGE, China --- Some of the greenest technologies of the age, from electric cars to efficient light bulbs to very large wind turbines, are made possible by an unusual group of elements called rare earths. The world's dependence on these substances is rising fast...more

Please click here to view the whole article

You can view the Previous Articles item: Sat Jan 2, 2010, Precious metals that could save the planet

You can view the Next Articles item: Thu Nov 5, 2009, High-Tech Companies Face Shortages as China Hoards Metals

You can return to the main Articles page, or press the Back button on your browser.