http://www.pennenvironment.org/reports/clean-air/clean-air-program-reports http://www.pennenvironment.org/reports/clean-air/clean-air-program-reports/made-in-the-u_s_a_-power-plants-and-mercury-pollution-across-the-country Power http://www.pennenvironment.org/reports/clean-air/clean-air-program-reports/made-in-the-u_s_a_-power-plants-and-mercury-pollution-across-the-country Sat, 10 Mar 2007 23:05:17 -0600 http://www.pennenvironment.org/reports/clean-air/clean-air-program-reports/danger-in-the-air-unhealthy-levels-of-smog-in-2002 The 1970 Clean Air Act, one of the nation's preeminent http://www.pennenvironment.org/reports/clean-air/clean-air-program-reports/danger-in-the-air-unhealthy-levels-of-smog-in-2002 Sat, 10 Mar 2007 23:05:17 -0600 http://www.pennenvironment.org/reports/clean-air/clean-air-program-reports/danger-in-the-air-unhealthy-levels-of-air-pollution-in-2003 While air quality has improved in the last three decades, http://www.pennenvironment.org/reports/clean-air/clean-air-program-reports/danger-in-the-air-unhealthy-levels-of-air-pollution-in-2003 Sat, 10 Mar 2007 23:05:17 -0600 http://www.pennenvironment.org/reports/clean-air/clean-air-program-reports/danger-in-the-air-the-2001-ozone-season-summary Ground-level ozone or smog is a dangerous respiratory http://www.pennenvironment.org/reports/clean-air/clean-air-program-reports/danger-in-the-air-the-2001-ozone-season-summary Sat, 10 Mar 2007 23:05:17 -0600 http://www.pennenvironment.org/reports/clean-air/clean-air-program-reports/the-carbon-boom-national-and-state-trends-in-carbon-dioxide-emissions-since-1960  The http://www.pennenvironment.org/reports/clean-air/clean-air-program-reports/the-carbon-boom-national-and-state-trends-in-carbon-dioxide-emissions-since-1960 Sat, 10 Mar 2007 23:05:17 -0600 http://www.pennenvironment.org/reports/clean-air/clean-air-program-reports/power-to-protect-the-critical-role-states-play-in-cleaning-up-pollution-from-mobile-sources Despite progress over the last 35 years, air pollution remains http://www.pennenvironment.org/reports/clean-air/clean-air-program-reports/power-to-protect-the-critical-role-states-play-in-cleaning-up-pollution-from-mobile-sources Sat, 10 Mar 2007 23:05:17 -0600 http://www.pennenvironment.org/reports/clean-air/clean-air-program-reports/the-fine-print-how-a-loophole-in-the-clear-skies-bill-lets-power-plants-off-the-hook-for-their-mercury-emissions Power plants are the largest source of U.S. emissions of http://www.pennenvironment.org/reports/clean-air/clean-air-program-reports/the-fine-print-how-a-loophole-in-the-clear-skies-bill-lets-power-plants-off-the-hook-for-their-mercury-emissions Sat, 10 Mar 2007 23:05:17 -0600 http://www.pennenvironment.org/reports/clean-air/clean-air-program-reports/air-pollution-and-public-health-in-pennsylvania Air pollution in Pennsylvania makes http://www.pennenvironment.org/reports/clean-air/clean-air-program-reports/air-pollution-and-public-health-in-pennsylvania Sat, 10 Mar 2007 23:05:17 -0600 http://www.pennenvironment.org/reports/clean-air/clean-air-program-reports/toxic-pollution-and-health-an-analysis-of-toxic-chemicals-released-in-communities-across-the-united-states Industries across the United States pump http://www.pennenvironment.org/reports/clean-air/clean-air-program-reports/toxic-pollution-and-health-an-analysis-of-toxic-chemicals-released-in-communities-across-the-united-states Fri, 30 Mar 2007 16:11:47 -0500 http://www.pennenvironment.org/reports/clean-air/clean-air-program-reports/lethal-loophole-how-the-clear-skies-bill-allows-oil-refineries-and-chemical-plants-to-emit-more-toxic-air-pollutants The Bush administration has touted its so-called “Clear http://www.pennenvironment.org/reports/clean-air/clean-air-program-reports/lethal-loophole-how-the-clear-skies-bill-allows-oil-refineries-and-chemical-plants-to-emit-more-toxic-air-pollutants Sat, 10 Mar 2007 23:05:17 -0600 http://www.pennenvironment.org/reports/clean-air/clean-air-program-reports/dangers-of-diesel-how-diesel-soot-and-other-air-toxics-increase-americans-risk-of-cancer Toxic chemicals in the air pose a serious threat to public http://www.pennenvironment.org/reports/clean-air/clean-air-program-reports/dangers-of-diesel-how-diesel-soot-and-other-air-toxics-increase-americans-risk-of-cancer Sat, 10 Mar 2007 23:05:17 -0600 http://www.pennenvironment.org/reports/clean-air/clean-air-program-reports/lethal-legacy-a-comprehensive-look-at-americas-dirtiest-power-plants Since taking office in 2001, President Bush and his administration http://www.pennenvironment.org/reports/clean-air/clean-air-program-reports/lethal-legacy-a-comprehensive-look-at-americas-dirtiest-power-plants Sat, 10 Mar 2007 23:05:17 -0600 http://www.pennenvironment.org/reports/clean-air/clean-air-program-reports/pollution-on-the-rise-local-trends-in-power-plant-pollution Power plants are the nation’s largest industrial source http://www.pennenvironment.org/reports/clean-air/clean-air-program-reports/pollution-on-the-rise-local-trends-in-power-plant-pollution Sat, 10 Mar 2007 23:05:17 -0600