The Clairton Coke Works is the biggest emitter of H2S in Pennsylvania and is "likely a substantial contributor" to the stinky toxic pollutant in the Mon Valley.
PennEnvironment and Clean Air Council want a federal judge to find that U.S. Steel violated the Clean Air Act thousands of times after the 2018 Christmas Eve fire at the Clairton Coke Works.
The coal-fired power plant is one of Allegheny County's top 10 single sources of air pollution. The company cited higher costs of environmental compliance and "unfavorable economic conditions."
When U.S. Steel announced it was canceling $1 billion in upgrades in the Mon Valley, it also pledged to become carbon neutral by 2050. So what does this mean for the region?
The company said they've seen the future of steelmaking: "When facts change, we must change.” Elected officials, regulators, environmentalists, and unions weigh in.
Despite some improvements, the Pittsburgh metro area ranked 9th worst in the country for long-term particle pollution, which is associated with heart and lung disease.
