“1854,” says Jacques-Jean “JJ” Tiziou, with authority, when asked about the origins of Philadelphia’s borders. “That’s when the Consolidation was signed: February 2, 1854.” Good luck finding another Philadelphian who could, on the spot, provide the exact date on which the Consolidation Act transformed the neat rectangle of William Penn’s colonial city — from Vine
MoreAround 200,000 ash trees stand in the city of Philadelphia’s watershed parks. But in the next five to 10 years, most will be gone—killed by the emerald ash borer, an invasive species of beetle that has destroyed tens of millions of American ash trees in the Midwest and Northeast since it arrived in Detroit from
MoreOn May 25, Christian Cooper, birder and member of the New York City Audubon Society’s Board of Directors, was birding in Central Park. He asked Amy Cooper (no relation) to follow the park rules by putting her dog on a leash and then recorded what happened next: Amy, who is white, called 911 to report
MoreI don’t think i would have noticed that the patch of forest off Livesey Lane had been restored if Steve Jones, president of Wissahickon Restoration Volunteers (WRV), hadn’t told me. I visited the area on a humid morning in late May. The canopy was complete, shading out the sun completely. I heard the usual forest
MoreLooking back at the start of the pandemic, I’ll remember everything closing in March. Walks around my neighborhood took me past locked storefronts with apologies taped to the doors, and almost every email announced a cancellation. I got an email about the City Nature Challenge the evening of March 12. The City Nature Challenge (CNC)
MoreI had low expectations for the fungus walk that the Philadelphia Mycology Club hosted last year in April. I showed up as part of the City Nature Challenge, an international urban citizen science event that connects people to nature while documenting urban biodiversity. I sit on the Challenge’s local organizing committee, and while we welcomed
MoreJohn Janick was an obsessive gardener packing every square inch outside his family’s Mount Airy twin home with native plants when I first wrote about him in Grid in July 2014. He had filled his backyard and the area around his driveway, and was running out of space in his front yard. I found Janick,
MoreBy Bernard BrownAmerican kestrels have the grit to live and thrive in Philly.
MoreBy Bernard BrownPhilly researchers recruit American eels to fight invasive crayfish.
MoreBy Bernard BrownA new program aims to control urban deer populations, get more Philly residents hunting–and feed the hungry.
MoreBy Bernard BrownTwo captivating aerial predators love city life.
More