90.5 WESA is Pittsburgh's NPR News Station. It can be heard on 90.5 FM in Pittsburgh, PA; 92.3 FM in New Baltimore; 100.5 FM in Johnstown, and 104.1 FM in Ligonier and Somerset.

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A wide shot of a well pad with many trucks lined up, and a circular water containment

Pa. DEP says landfill leachate poses no health risk. Environmentalists aren’t so sure.

90.5 WESA·July 31, 2026

A citizen group based in Westmoreland County hosted a webinar to share information about what they say is the report’s incomplete investigation of the potential harm to the Commonwealth.

Energy Latest Stories Pollution

Pennsylvania has a brand new state park — and this one is underground

90.5 WESA·April 14, 2026

Laurel Caverns State Park in Fayette County is the first of its kind in Pennsylvania.

A new initiative will maintain Pittsburgh’s riverfront trails and parks

90.5 WESA·February 18, 2026

UpKeep will tend to routine care and maintenance of Pittsburgh's 15-mile network of riverfront parks and trails.

Recreation Water

An open landscape with some pine trees dotting the fields.

The Nature Conservancy acquires 200+ acres in Western Pa. to help protect rare birds

90.5 WESA·January 28, 2026

The 279-acre parcel in Cambria County represents a critical rest stop along an important migratory route stretching 200 miles through the Appalachians.

Conservation

Amber-colored glass bottles on a conveyor belt.

Shattering misconceptions about glass recycling in Southwestern Pa.

90.5 WESA·September 5, 2025

When you recycle your glass bottles in Southwestern Pennsylvania, chances are, they’ll end up back on store shelves in about 30 days.

Pollution

A plume of dark smoke and towers at the US Steel Clairton Coke Works

Second victim in Clairton coke plant blast identified

90.5 WESA·August 14, 2025

The Allegheny County Medical Examiner has released the name of the second man killed in Monday's explosion at the Clairton Coke Works.

Health Pollution U.S. Steel Explosion

Second worker found dead after explosion at U.S. Steel Clairton Coke Works

90.5 WESA·August 11, 2025

Ten plant workers required hospital treatment for injuries— five were listed in critical but stable condition, and five others were treated and released.

Energy Pollution U.S. Steel Explosion

Deluzio continues push for rail safety as federal safety agency calls for deregulation

90.5 WESA·August 4, 2025

While Representative Chris Deluzio pushes for railway safety, the Trump administration wants roll back regulations of hazardous materials, including the transport of liquefied natural gas by rail.

East Palestine Health Pollution Transportation

landscape shot of emissions rising from smoke stakes in the distance over a valley

Clean air advocates want to see pollution permit fees increased in Allegheny County

90.5 WESA·July 17, 2025

Southwestern Pennsylvania Grassroots Town Halls and the Breathe Project convened a meeting to call on the Allegheny County Council to increase fees for processing Title V operating permits.

Energy Health Pollution

A peregrine falcon flies high above the city.

Pitt falcon fledglings leave the nest

90.5 WESA·June 25, 2025

The falcon fledglings living on top of the university's Cathedral of Learning left the nest earlier this month, but are likely to linger in Pittsburgh's Oakland neighborhood.

Conservation Wild Pennsylvania Wildlife

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