Screaming for Jalen Hurts at the Eagles Super Bowl parade last week, J.J., a federal employee who worked at the John Heinz National Wildlife Refuge at Tinicum, took a second to glance at her texts.

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PHILADELPHIA—At the John Heinz National Wildlife Refuge visitors center, a sculpture of a great blue heron made from recycled plastic bottles greets guests. Standing 12 feet tall, the bird draws ...