Alfred Hunt knew a good idea when he saw it. And Charles Martin Hall had one. In 1886, the 23-​year-​old chemist had discovered a smelting process to make aluminum inexpensively while working in a lab he cobbled together in a shed behind his parent’s house in northern Ohio.

Stronger hiring last year, rising wages and upcoming tax cuts lead those who read the economic tea leaves to be cautiously optimistic that 2018 could reward southwestern Pennsylvania with the largest increase in job growth in five years, finally shaking the malaise that works to contract the local labor force, send residents packing…

Bluer skies over southwestern Pennsylvania owe a debt to local, state and federal regulations that have evolved over decades to spur technological advancements and investment in controlling air pollutants from industrial plants to the cars we drive.

Air polllution’s place in the history of southwestern Pennsylvania is as prominent as the region’s mighty rivers and the steel industry that once crowded their banks. For nearly a century, it was a defining characteristic in the eyes of visitors, who pulled no punches when describing the grim conditions they found.

Shell Chemical Appalachia’s petrochemical complex has begun to rise from a dusty Beaver County brownfield that follows a slow bend in the Ohio River near Monaca. It took hefty tax incentives to secure it. The nation’s largest zinc smelter was razed to make room for it. More than 7 million cubic feet of…

It’s 11 a.m. in Judge Jeffery Manning’s courtroom. The attorneys are ready. The Allegheny County Common Pleas Court president judge is on the bench. The video screen comes alive to reveal the business of the morning, a series of people in orange, jail-​issue jumpsuits: One young man with a retail theft charge and…

Most of the women who trust their children to Jamie Tabb’s cottage childcare business in Turtle Creek are struggling to get by under circumstances she knows well. She’s a single woman raising children on her own, as they are. She’s been employed and poor at the same time. She’s had to allow limited…

The heavy smoke is gone. But particulates 30 times smaller than the diameter of a human hair and gases formed by the reaction of sunlight and fossil fuels exhaust remain as the region’s most widespread, stubborn and dangerous air quality problems.

Southwestern Pennsylvania and air quality have long had a complicated relationship. For the better part of a century, the region had been a place so polluted from the soot of industry and homes heated by coal that street lamps were lit in the afternoon and walking a single block could ruin the collar…

Aaron Thomas was 14 when a Pittsburgh police drug task force raided the Garfield home where he lived with his parents, whose lives were ruled by an addiction to cocaine and heroin. That led to his first encounter with the juvenile justice system. But the time he would spend in and out of…