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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David Oh served as at-large City Councilmember (Republican) from 2012 to 2023, when he resigned to run for mayor. Oh worked as an attorney before running for City Council and served in the Army National Guard from 1988 to 1992. On Parks Funding The fact that Philadelphia is spending less proportionally of its own budget,
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Carol Foy, a lifelong Grays Ferry resident and community advocate, knows how dangerous air pollution can be. “I lost a son over a decade ago who had lung problems,” she says. “He was only 33 years old.” After moving out of Grays Ferry, her son moved by the oil refinery in South Philadelphia. He lived
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Last week, Clean Air Council (CAC) released a petition urging Philadelphia residents to demand a public hearing to advocate for improved air quality. The Council found that the region is not meeting federal air quality standards for ozone pollution in Bucks, Chester, Delaware, Montgomery and Philadelphia counties. “Ground-level ozone air pollution, known as smog, is
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