air pollution
8:25 PM, 5 Mar 2012
7:44 AM, 2 Feb 2012
8:42 PM, 21 Jan 2012
5:36 PM, 22 Dec 2011
3:20 PM, 17 Dec 2011
5:06 PM, 24 Nov 2011
1:45 AM, 12 Nov 2011
7:01 AM, 11 Nov 2011
7:21 AM, 4 Nov 2011
3:53 AM, 30 Oct 2011
9:02 AM, 28 Oct 2011
5:33 AM, 7 Oct 2011
9:43 AM, 21 Jul 2011
Washington might be showing resistance to binding international emissions restrictions, but local action on air pollution will shut the nation's smaller, older coal plants and cut America's CO2 output.