Print Friendly and PDF

U.S. Steel is challenging an Allegheny County proposed air quality regulation

In a legal brief filed on Sept. 9, the steel company is arguing that proposed regulations related to the settlement are not applicable to Clairton Coke Works' coke oven batteries.


A laboratory at scale: a hydrogen and carbon storage project in Clinton County is tapping into all the trends

Without a single permit filed or the financing secured, the central Pennsylvania project — called KeyState to Zero — sums up a zeitgeist in the energy industry.

Study links more asthma cases to 2018 Clairton Coke Works fire

Hospital, clinic and doctor's office visits by asthma sufferers almost doubled following fire at U.S. Steel facility.

What's It Like To Live With Industrial Air Pollution For The First Time?

Susan Scott Peterson had been living in Pittsburgh for just a few weeks when she smelled it for the first time. The air was a little thick, a little hazy, and it smelled like chemicals and sewage.

After pullback from Mon Valley upgrade, U.S. Steel caught up in finger-pointing over region's future

On Friday, U.S. Steel President and CEO David Burritt addressed labor unions, charitable foundations and academic leaders to set the stage for what the press release called a "monumental" task: put the Pittsburgh region on a path to a clean energy future.

U.S. Steel cancellation leaves Western PA with questions over steel's future

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?

Allegheny County proposal would require polluters to reduce pollution during unfavorable weather

Allegheny County proposes new rules to limit industrial and residential air emissions during temperature inversions.

In the Mon Valley — where U.S. Steel has canceled major investment — many left wondering what went wrong

There is passion on both sides of the "jobs" versus "clean air" dispute, but many in the communities most affected by the decision were hoping to have both.

2020 Mon Valley air was the healthiest it’s ever been; region still receives an ‘F’

The air quality near the Clairton Coke Works in the Mon Valley improved more than any other part of the county in 2020 but still isn't healthy.

Allegheny County Health Department starts providing Mon Valley poor air quality alerts

The Allegheny County Health Department will now be providing public alerts when air quality forecasts show a potential for poor air quality in the Monongahela River Valley.

Pennsylvania group worries that new air pollution permit could allow Clairton coke works to pollute more

A company spokesperson said the purpose of putting in new pollution controls is to improve the efficiency of the pollution collection system, not to increase coke production.

Clearing the air: An Earth Day progress report

Hard work and a pandemic boosted the Pittsburgh region's air quality—but the job isn't over.

Allegheny County meets all federal air quality standards for first time

For first time in its more-than-60-year history, the health department reports the county is in attainment of all air quality standards.

Megan McDonough: Lt. Gov. John Fetterman should stand with East Pittsburgh against fracking

Lt. Gov. John Fetterman has leaned heavily on his working-class Mon Valley roots to raise his national profile, becoming a cable news star during the aftermath of the presidential election. But while he is soaking up the national spotlight, environmental injustice threatens the former Braddock mayor's hometown, leaving many residents asking: Will he show up and stand with the community?

From our Newsroom

Researchers, doctors call for regulators to reassess safety of taking acetaminophen during pregnancy

The painkiller, taken by half of pregnant women worldwide, could be contributing to rising rates of reproductive system problems and neurodevelopmental disorders like ADHD and autism.

LISTEN: Azmal Hossan on the sociology of climate crises in South Asia

"If we look at the rate of carbon emissions, most is emitted by the developed and industrialized countries, but the problem is poor countries like Bangladesh are the main sufferers."

Op-ed: We don’t have time for another fossil fuel bridge

Those holding up carbon capture and hydrogen as new climate solutions are leading us down the wrong path.

Ocean plastic pollution

Too much plastic is ending up in the ocean — and making its way back onto our dinner plates.

Climate storytelling: Creativity and imagination in the face of bleak realities

Working with youth writers on a climate-fiction screenplay has opened my eyes to the power of the arts in confronting environmental crises.

Above The Fold

Daily & Weekly newsletters all free.