Amy Sisk
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At hearing Wednesday night on a proposal to drill for natural gas at a U.S. Steel facility in the eastern Pittsburgh suburbs, dozens of residents and…
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The partial meltdown of one of Three Mile Island’s nuclear reactors 40 years ago this month left areas of the facility highly radioactive and inaccessible…
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After U.S. Steel said repairs at Clairton Coke Works are a month ahead of schedule, the Allegheny County Health Department on Tuesday revised an order…
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State environmental officials have levied a $1.5 million fine against a natural gas pipeline company for problems at a construction site in Greene…
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The Allegheny County Health Department is requiring U.S. Steel to curb sulfur dioxide emissions at several Pittsburgh-area facilities following a December…
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Pittsburgh researchers are working on potentially cheaper ways to capture carbon dioxide from coal-fired power plants.So-called “clean coal” technology is…
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Of the 8 million vehicles registered in Pennsylvania, just 15,000 of them are electric.The Department of Environmental Protection has released a plan…
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A pair of environmental groups say they plan to sue U.S. Steel following the December fire at Clairton Coke Works that damaged pollution control…
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Steelworkers and residents of the Mon Valley packed the Clairton Municipal Building Thursday afternoon for a lengthy hearing convened by Democratic state…
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As residents of the mid-Atlantic and Midwest stayed indoors this week to avoid the Arctic air that swept the region, they used a lot of electricity and…