Wetlands filled in by 19th century industry are being returned to their marshy, mucky glory, but with hiking and biking trails and other features intended to delight nature lovers and uplift neighborhoods.

Johns Hopkins University says its Data Science and AI Institute project is following Baltimore’s environmental procedures, despite the state saying it could be liable for “significant” penalties for sediment discharge violations.

It’s a JFX off-ramp above Clipper Mill Road near the spot where similar health-harming orange chips, reported to the city by The Brew a month ago, are still littering Falls Road.