Energy. Environment. Economy.

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TAG | air pollution
21 Stories
The Philadelphia Energy Solutions refinery accounts for almost 16 percent of the city's carbon footprint, according to a City report that describes how to make deep cuts in carbon emissions.
July 25, 2019 | 6:10 AM

PES refinery fire highlights need for better air monitoring, experts tell Pa. lawmakers

By Dana Bate/WHYY
The Delaware City Refining Company will pay a $950,000 penalty for violations of the Clean Air Act dating to 2010. The settlement does not cover violations from a fire that broke out in February, releasing hydrogen sulfide and sulfur dioxide into the air.
Updated: July 12, 2019 | 2:51 pm

Delaware refinery hit with nearly $1 million penalty for a decade of air pollution violations

By Emily Pontecorvo/WHYY
U.S. Steel's Clairton Plant, the largest coke works in North America, in Clairton, Pa.
June 28, 2019 | 4:08 PM

US Steel, Allegheny County have a draft agreement on pollution violations

Deal does not affect lawsuit over pollution from Dec. 24 fire
By Reid Frazier
Melanie Meade, a Clairton resident, says that current efforts to address U.S. Steel’s pollution from the Clairton Coke plant have had little effect on the company’s actions.
June 24, 2019 | 3:31 PM

Environmental advocates seek changes at Clairton Coke Works: People shouldn’t have to ‘hold their breath’

By Adam Tunnard/WESA
The smokestack of the Delaware Valley Resource Recovery Facility looms over a residential street in Chester.
June 22, 2019 | 12:00 PM

WHYY’s ‘The Why’: Philly’s trash is Chester’s air pollution

By Staff
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
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