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Pilot project shows plants can safely grow in sand made from glass. Can it be scaled up for industrial use?

The rain garden along Kelly Drive looks like any other installed by the Philadelphia Water Department: A mix of wildflowers, grasses, reeds and sedges grow in a shallow basin designed to soak up stormwater. The soil in which the plants sink their roots is what makes this particular garden unique. The two-foot-deep mix of compost

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4 mins read
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Editor’s Notes: What Lies Beneath?

In mid-February, Grid requested an interview with Carlton Williams, the newly announced head of Mayor Cherelle Parker’s flagship “Clean and Green” initiative. After receiving no reply, we repeated the request a few weeks later. This time a communications official acknowledged the email, but that’s it so far. Fortunately, we’ve got other source material to examine:

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2 mins read
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Editor’s Notes: Comfort Creep

I just bought a sweater. After reading “Worn: A People’s History of Clothing,” by Sofi Thanhauser (interviewed in this issue), I went online and found a second-hand gray wool henley originally sold by a company with a reputation for well-made clothing. I wanted something I could wear this winter and for many winters to come;

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Is that what you’re wearing?

Do you know what it’s made of? Where it came from? Who stitched it together? Go ahead and cheat. Check the label. That will get you part of the way there: a list of materials and a country, but much of the story will remain a mystery. That little tag won’t tell you about the

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1 min read
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(Updated with public comment opportunity) The EPA has proposed making the Delaware River cleaner for endangered sturgeon, but getting there won’t be easy, or cheap

Update: Would you like to weigh in on the EPA’s proposed dissolved oxygen standards in the Delaware River? The public can provide comments about the proposed regulation changes through the EPA website no later than February 20, 2024.   By Meg McGuire and Katherine Rapin In December 2023, the U.S. Environmental Protection Agency made a bold

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7 mins read
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A York County reservoir project could be part of a sustainable grid. It would also displace dozens of households

Update: On February 1, 2024, the Federal Energy Regulatory Commission (FERC) issued a preliminary permit to York Energy Storage, LLC for the pumped hydroelectric storage project the company is proposing in York County. The preliminary permit gives York Energy Storage priority for building a project on the site (essentially calling dibs) and opens up a

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7 mins read
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