U.S. Steel is trying to block Allegheny County’s new coke oven rules

Reid FrazierOctober 1, 2021

The new regulations target 'rotten egg' gas the plant has emitted dozens of times since 2020.

News

Allegheny County Takes Aim at Air Pollution During Inversions

Reid FrazierSeptember 24, 2021

A new rule calls for industries in the Mon Valley to develop plans to lower air emissions during inversions that trap pollution close to the ground.

HealthPollution

Group Sues to Stop Permit for New Natural Gas Power Plant

Reid FrazierSeptember 16, 2021

Clean Air Council contends the company should go through a new permitting process for a gas power plant in Washington County.

Energy

Mon Valley on Pace for Twice as Many Hydrogen Sulfide Violations as Last Year

Susan Scott PetersonAugust 4, 2021

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.

Climate ChangeHealthPollution

Town Hall Calls Attention to Pittsburgh Air Quality Problems

Julia ZenkevichJuly 29, 2021

This is the third meeting of residents who want stricter controls of air pollution that plagues the Mon Valley and other Pittsburgh neighborhoods.

HealthPollution

Environmental Groups Seek Pre-Trail Ruling Against U.S. Steel

Julie GrantJuly 2, 2021

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.

Pollution

Climate Change to Bring More Smoggy Days

Reid FrazierJuly 2, 2021

More smoggy days will be in our future, thanks to climate change. Cities like Pittsburgh could see the number bad air days double by 2050.

Climate ChangeHazardous to Your HealthHealth

New Study Links Increase in Asthma Hospital Visits to 2018 Fire at U.S. Steel’s Clairton Plant

Kiley KoscinskiJune 29, 2021

The fire knocked out pollution controls for months. Emergency room visits and asthma doctor's visits increased as a result.

Health

New ‘Toxic 10’ List Outlines Worst Industrial Polluters in Allegheny County

Julia ZenkevichJune 16, 2021

The 10 biggest industrial polluters in Allegheny County released more toxic pollution into the air in 2019 than they did in previous years.

HealthPollution

Cheswick power plant to close in September

Reid FrazierJune 9, 2021

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."

Climate ChangeEnergy