Up in the Air

Air Quality Regulation: A Primer

Air quality in the United States is governed by a complex regulatory structure that sets pollution limits and authorizes federal, state and local agencies to enforce them. The regulations which agencies enforce vary with the source of pollution, what they emit and the air quality in the region where they are located. Federal President Richard …

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Mobile Source Pollution

Creeping into the Fort Pitt Tunnel, angling for space at the Parkway East’s Grant Street exit, or elbowing into a gap in traffic on the Veterans Bridge, tens of thousands of people drive or ride into and out of Downtown nearly every day. Trailing behind them are the often-invisible exhausts of internal combustion engines. At …

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Air Rules

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. It wasn’t until the City of Pittsburgh adopted its Smoke Control Ordinance in 1941 that the dense smoke …

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Up in the Air: The Final Chapter

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. “In truth, Pittsburg [sic] …

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Cokeless Steel?

Power companies aren’t alone in their shift away from coal. Steelmakers, industry groups and the federal government are spending millions looking for a way to make steel without coke, the carbon-rich form of coal used to fuel blast furnaces. Like coal-fired power generation, coke production is a major source of air pollution, and its processing …

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Petrochemical Alley

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 earth were …

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Energy’s Big Shift

A decade ago, as Consol Energy’s 150th anniversary drew near, top executives began to take stock in where the company stood as a leading producer of coal and where that path would take it. Coal was in what CEO Nicholas DeIuliis called a “supercycle.” It was the workhorse of the national power grid and less …

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The Last Coke Works

At the Clairton Public Library in the industrial Monongahela River valley, patrons can check out “Moby Dick,” “To Kill a Mockingbird,” the adventures of Curious George and any number of Nancy Drew mysteries. They can read issues of Vogue and Popular Science. They can take home the music of Elton John and Rihanna, or the …

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