Jennifer Skirkanich updated her kitchen exhaust fan after an air quality monitor reminded her just how dangerous cooking can be. “You don’t ever think about it, but seeing the light turn red is like, ‘Oh yeah, that’s harmful,’” says Skirkanich, a biologist and West Philadelphia resident who teaches at Bryn Mawr College. Skirkanich’s air quality
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The same blue flame that imparts the sense that gas cooking is real cooking also accounts for the health hazards posed by the appliance found in approximately one third of American homes. “When you have a gas stove,” Drexel University environmental epidemiologist Josiah Kephart told NPR in 2021, “combustion is actually occurring right in your
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Walk into Live! Casino in South Philly on a Saturday night, and the smell of cigarettes hits you immediately. The Clean Indoor Air Act prohibiting smoking in Pennsylvania establishments passed in 2008, but casinos remain a notable loophole — one of the last bastions of the old, vice-friendly service industry. They’re open 24 hours, they’re
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What’s the size of a toaster and uses three times the energy of an average Pennsylvania household? That would be a cryptocurrency mining machine — a computer that runs 24/7 and spits out numbers in an attempt to solve complex problems, creating proof-of-work cryptocurrency, like Bitcoin, as a result. “We have companies that have 80,000
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When many Philadelphians head out the door to traverse the city, they have an option in each pocket. In one are the keys to the car; in the other, a SEPTA card. And in their head, an often tortuous debate about which method of transportation would be safer, more affordable and more dependable. But many
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Tighter air pollution limits announced by the EPA on February 7 should have Philadelphians breathing easier. The new rule sets the limit, averaged over a year, of nine micrograms of tiny soot particles per cubic meter of air. “This final air quality standard will save lives and make all people healthier, especially within America’s most
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In a scene from the PBS docuseries “NOVA: Chasing Carbon Zero,” Chef Chris Galarza removes an ice cold frying pan from a freezer and places it on an induction burner. Only a moment later, he tosses some chopped peppers in the pan, which immediately start to sizzle. This impossible-seeming trick is one that Galaraza has
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Hydrogen as an element is simple. Each atom has one electron and one proton. It’s first on the periodic table — the most abundant chemical substance in the universe. But hydrogen as a potential climate-friendly energy source is anything but simple. Hydrogen has long been used in dirty industries: cleaved from fossil fuels, it can
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Ahead of the April primary, Grid asked the mayoral candidates for their thoughts on the city’s major sustainability issues. We sent questions about municipal waste, sustainable development, parks and greenspaces, and bicycling infrastructure. Eight candidates responded by our deadline and we published their responses in a special voter’s guide issue. Now, two candidates remain: Republican
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Cherelle Parker served as the 9th district City Councilmember from 2016 until 2022, when she resigned to run for mayor. For 10 years before her term in City Council she served as a state representative. On Parks Funding My campaign has been focused on a vision for making Philadelphia the safest, cleanest, and greenest big
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