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.
Is U.S. Steel making up pollution numbers to avoid stricter rules under the Clean Air Act? GASP thinks it just might be. They want the company to show their math.
Developers of this new visualization of air pollution hope it will help people verify what they smell. "This weaving together [of data] creates a corroboration of people’s experiences.”
GASP is looking for teens for their new program pairing high school students in Allegheny County with peers in Birmingham, Ala. Both cities have historically poor air quality.
The lawsuit is challenging a plan to allow spikes of sulfur dioxide at two power plants. Even at low levels, SO2 can affect asthmatics in as little as two minutes.
The agency went against recommendations from its own scientists that a stronger standard could save lives. Pa. is one of four states that don't meet the current standard.
