Sieves put a lid on greenhouse gas

Scientists are about to test microscopic sieves that trap environmentally destructive greenhouse gases before they escape coal-fired power stations and refineries.

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<p><a href="http://www.physorg.com/news65284632.html">Sieves put a lid on greenhouse gas</a></p> <p>Scientists are about to test microscopic sieves that trap environmentally destructive greenhouse gases before they escape coal-fired power stations and refineries.</p>