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TAG | air pollution
16 Stories
US Steel's Clairton Coke Works, near Pittsburgh. Photo: Reid R. Frazier
Updated: June 17, 2019 | 9:49 pm

After another fire, Allegheny County issues emergency order for US Steel’s Clairton plant

Country's largest coke plant must meet pollution goals or 'cease all coke-making operations'
By Reid Frazier
US Steel's Clairton Coke Works.
Updated: June 4, 2019 | 6:21 pm

U.S. Steel hit with another six-figure fine over excessive emissions

By Reid Frazier
Steelworkers watch Thursday as U.S. Steel president and CEO David Burritt announces a $1-billion investment in upgrades at Clairton Coke Works and the Edgar Thomson plant near Pittsburgh.
May 2, 2019 | 8:32 PM

U.S. Steel: $1B in upgrades to plants near Pittsburgh will help with air pollution, efficiency

By Amy Sisk
U.S. Steel's Clairton Plant, the largest coke works in North America, in Clairton, Pa.
May 2, 2019 | 6:46 AM

Allegheny County, site of a major polluter, grapples with meeting air quality standards

The county, home to U.S. Steel’s Clairton plant, is trying to bring particulate matter down to federally mandated levels by 2021.

By Amy Sisk
US Steel's Clairton Coke Works.
April 29, 2019 | 5:40 PM

Groups sue U.S. Steel, alleging potentially ‘thousands’ of Clean Air Act violations

The lawsuit alleges that the company’s decision to flare coke oven gas, instead of stopping the coke-making process or putting the plant on hot idle, put public health at risk.

By Reid Frazier
US Steel's Clairton Coke Works.
April 26, 2019 | 2:29 PM

Steelmaker appeals latest penalty over Clairton emissions

By Amy Sisk
US Steel's Clairton Coke Works.
April 16, 2019 | 5:47 PM

Air pollution problems from steel industry prompt two lawsuits

By Amy Sisk
U.S. Steel's Clairton Plant, the largest coke works in North America, in Clairton, Pa.
April 15, 2019 | 7:00 AM

‘Razorblades and feathers in my throat’: A fire at a U.S. Steel plant near Pittsburgh made a major polluter even worse

Pollution controls damaged by a Christmas Eve fire are working again. But many people in nearby communities are still feeling the effects — and worrying about their health.

By Reid Frazier
A screen shot of Smell PGH on April 4 shows numerous reports of foul odors in the community.
April 10, 2019 | 4:39 PM

Carnegie Mellon’s Pittsburgh smells app goes nationwide, crowdsourcing where the air is worst

By Amy Sisk
US Steel's Clairton Coke Works
April 1, 2019 | 5:45 PM

Officials fine U.S. Steel for Clairton emissions from 2018, note situation has been improving

By Amy Sisk
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