A photograph of a patch of green knotweed against a red brick wall
A photograph of knotweed (itadori) in Pittsburgh by Japanese photographer Koichi Watanabe. It's part of the Carnegie Museum of Natural History exhibit "Uprooted: Plants Out of Place." Photo: Kara Holsopple

Episode for April 18, 2025

President Trump gave coal power plants an extension on complying with new pollution standards. Meanwhile, the Trump administration is looking to roll back many other climate and environmental regulations faster than the normal process of appealing these rules allows. Invasive plant species like thorny multiflora rose are damaging Pennsylvania forests. A Pittsburgh natural history museum is taking a closer look at the problem.

The Pennsylvania Department of Environmental Protection has begun its annual Black Fly Suppression Program. Camping reservations are up at Pennsylvania’s state parks and forests.

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