US Steel

Braddock residents and environmental advocates rallied against emissions from U.S. Steels’ Edgar Thomson Works at a public hearing Wednesday night. Speakers voiced opinions on a new operating permit for the plant proposed by the Allegheny County Health Department.

The Allegheny County Health Department and other local groups allege there have been over 12,000 violations.

Physicians and community groups from across the Pittsburgh region are warning of the link between pollution and high rates of cancer in the area.

The big news caught many in Pittsburgh by surprise: US Steel was cancelling over a billion dollars in upgrades at its Mon Valley Works steel plants in western Pennsylvania. The company cited climate change and local air regulators as reasons why it killed the project.

The blaze knocked out sulfur pollution controls for 3 months.

U.S. Steel said Friday it is scrapping plans for a $1 billion upgrade to its Edgar Thomson Plant in Braddock, near Pittsburgh. The steelmaker said it will also shutter three coke oven units at its plant in Clairton.

The Allegheny County Health Department issued an air pollution watch for the Mon Valley on Wednesday morning. Air quality readings at the Liberty Monitor…

An Allegheny County judge has approved a settlement to resolve a class action lawsuit that claims pollution from the country's largest coke producing…

Air quality activists protested at the City County Building in downtown Pittsburgh, before Friday’s Allegheny County Board of Health meeting, to voice…

A new state report indicates that Pennsylvanians are breathing cleaner air. However, one big exception includes residents living near U.S. Steel's…