In the late 18th century, the French chemist Antoine Lavoisier radically changed how we understand the physical world. He was perplexed by the fact that when metal rusted, despite becoming more brittle, it actually gained weight rather than losing it. Why would metal weigh more when it was decomposing? It weighed more, Lavoisier came to
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Last year I wrote a series of columns in Grid about several ways the City of Philadelphia could expand composting. While I have had some productive conversations with City officials over the last year, I have seen no indication that they are prepared to begin any large scale residential composting pilot program in the near
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The air in the Delaware Valley’s industrial corridor doesn’t always smell nice. Major odor events assaulted the noses of Delaware County residents in 2019, 2020 and, most recently, last fall. During the 2019 event, Clean Air Council director of programs Eve Miari tried to check air quality readings from the Pennsylvania Department of Environmental Protection
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Opening with subterranean footage of the foam cups, plastic bottles and sodden cardboard that decorate the sewer inlets underneath Philadelphia, filmmaker Melissa Langer’s 2025 documentary, “In Excess,” probes into the unseen places where the city’s litter ends up. Spoiler alert: When it comes to the city’s trash, there is no throwing it “away.” “Every object
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A 1970s-era stereo receiver. Red leather boots. Nine fully intact eggplants. These are just a few of the unexpected objects the Cobbs Creek Ambassadors have come across while cleaning up Cobbs Creek Park in West Philadelphia. But most of what they pick up is just typical litter: bottles, cans, food wrappers, old tires. And the
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Germantown Kitchen Garden’s farmer, Amanda Staples, who hails from Upper Darby, did not grow up on a farm. Although her grandparents operated a Christmas tree farm near Clarks Summit, Lackawanna County, Staples’ initial hands-on contact with farming was growing lima beans in her backyard for an elementary school assignment. After graduating from Temple University with
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In the nine years Julia Jackson lived in Manayunk, just a few streets from the Leverington Avenue bridge, she witnessed her fair share of flooding — and Venice Island residents using the bridge to evacuate from their homes during floods. When she saw that the paper mill site at the island’s northern tip had been
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A new climate resiliency plan is in development for Philadelphia, with a new focus: community vulnerability. The work is being funded by $600,000 the Office of Sustainability (OOS) received in March from the William Penn Foundation. The City’s resiliency plan outlines climate change’s impacts on Philadelphia and how the City will meet the challenges they
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When Grid was planning a home electrification guide for the January 2025 issue, the universe threw us a curveball. Donald Trump’s reelection as president of the United States cast doubt on the longevity of federal financial incentives for homeowners across the country to purchase solar panels, electric stoves, heat pump HVAC units and other climate-friendly
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Philadelphia climbed four spots in the Trust for Public Land’s latest ParkScore index, released today, May 21, rising in the rankings from 32 to 28 out of the country’s 100 most populous cities. The index scores city park systems in subcategories such as access, acreage, amenities, investment and equity. Two factors explain Philadelphia’s rise through
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