http://www.futurity.org/earth-environment/dust-from-abroad-pollutes-north-americas-air/ Research news from leading universities Sat, 25 May 2013 17:29:12 +0000 hourly 1 http://wordpress.org/?v=3.0.4 http://www.futurity.org/earth-environment/dust-from-abroad-pollutes-north-americas-air/comment-page-1/#comment-79412 Ray Mon, 06 Aug 2012 23:36:13 +0000 http://www.futurity.org/?p=95442#comment-79412 Seem only fair. The US has been polluting Canadian air for years. Seem only fair. The US has been polluting Canadian air for years.

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