The county is still not meeting federal air quality standards for particulate matter. The county's plan for dealing with the pollution must be submitted to US EPA for approval.
Pollution controls were off-line for over three months following a Christmas Eve fire. The lawsuit claims that at least 90,000 people were put at risk from toxic air pollution.
Methane is a potent greenhouse gas. Environmentalists say proposed state rules are too lenient, industry says they're too costly. But they might bring new technology and jobs to the state.
Pollution controls damaged by a Christmas Eve fire at a U.S. Steel plant near Pittsburgh are working again. But many people who live in the area are still feeling the effects — and worrying about their health.
