DEP Says Air Quality in Pennsylvania is Improving from the Pittsburgh Post-Gazette
"Air pollution in Pennsylvania has declined significantly since 2008 because of regulations mandating pollution controls and increased use of natural gas for power production, according to 2011 emissions data released today by the state Department of Environmental Protection."
"Air pollution in Pennsylvania has declined significantly since 2008 because of regulations mandating pollution controls and increased use of natural gas for power production, according to 2011 emissions data released today by the state Department of Environmental Protection."
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