The aluminum giant Alcoa wants to fight smog with a new building product. The company says its panels clean the air as well as trees, but research suggests trees can remove some pollutants the panels can't.
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Read the complete post at http://www.npr.org/blogs/health/2011/06/30/137528095/aluminum-panels-set-to-take-on-pollution-as-smog-eaters?ft=1&f=103537970
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Jun 30 2011, 01:12 PM
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NPR Blogs: Shots - Health Blog