|
Home » Region » NORTH AMERICA » PENNSYLVANIA
 | PHILADELPHIA: Air Quality Concerns Threaten Natural Gas's Image
by Elizabeth Shogren, NPR
June 21st, 2011
Massive stores of natural gas that lie underneath big portions of the United States offer a cleaner source of electricity to a country that relies heavily on coal, but producing all that gas also can pump lots of pollution into the air. |
| Understanding Clean Air Act
by Jan Adam, Pittsburgh Post-Gazette
April 9th, 2003
The county Health Department has been relying on the bucket brigade to monitor for benzene and acrylonitrile because of the way the Clean Air Act breaks down responsibility for identifying chemicals in the air. |
|
|
