The helicopter was worth a shot, Dave Fahnestock thought. The owner of Hands on the Earth Orchard in Lititz, Lancaster County, which sells apples and peaches at farmers markets in Clark Park, Rittenhouse Square and Bala Cynwyd, hoped the downdraft from the propellers would mix warmer air with the freezing air hugging the ground across
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The past three summers in Philadelphia have seen smoke drifting overhead, making for beautiful sunsets and, when it settles close to the ground, hazardous air. That smoke came from forest fires that burned thousands of miles away in the boreal forests of Canada. These woods cover 270 million hectares (or about one million square miles)
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When Grid visited the LandHealth Institute (LHI) nursery in May, community nursery operations lead Sara Mae Henke and native plant nursery associate Marcelino Smith were repotting hundreds of tiny bee balm plants from flats into pots to prepare them for sale. Behind them rose the arching end of a high tunnel greenhouse sheathed in plastic
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Ihad expected the logs, half-deflated basketballs, plastic bottles and other assorted urban debris when I tagged along with a crew from the Philadelphia Water Department tasked with cleaning out the Fairmount Dam fishway back in 2012. What I hadn’t expected was to see the workers pull out two flathead catfish the size of toddlers. The
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Every human produces a little more than 4.5 ounces of excrement per day. Multiplied by the 2.2 million customers of the Philadelphia Water Department’s wastewater system, the cumulative daily dump equals about 620,811 pounds, or about 310 tons. The story of biosolids (treated sewage sludge) starts with clean water in the toilet bowls of the
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On Sept. 27, 2025, a wood thrush flew past the David Rittenhouse Laboratory at the University of Pennsylvania on its way to Central America. We know this because a tiny solar-powered radio transmitter on the bird’s back sent out a signal that was picked up by a receiver on the roof of the building. That
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On Tuesday, April 14, the Philadelphia Gas Commission — the government body that oversees the City-owned Philadelphia Gas Works — did something highly unusual. It voted to table a vote on PGW’s 2027 capital budget, basically postponing a routine step until a later date. “I was very surprised that the Commission did not make a
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In 2022, a pipe failed at the liquefied natural gas (LNG) export terminal in Freeport, Texas, causing an explosion and fire. The conflagration took place entirely within the facility, built on a barrier island along the Gulf of Mexico. The nearest residential area sits more than a mile away from the plant, adding a buffer
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When York Energy Storage LLC proposed in 2023 to turn the small valley of Cuff’s Run in York County, on the western bank of the Susquehanna River, into an energy storage reservoir, William McMahon, the engineer and energy entrepreneur behind the plan, billed it as a solution to the limitations of renewable energy. As is
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President Joe Biden visited Philadelphia in 2023 to make a big energy announcement: the Philadelphia area would be home to MACH2, a new hydrogen hub, one of seven nationwide. But a year and a half into the second Trump administration, the project’s future is uncertain. The Biden administration planned to pump $7 billion into regional
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