Look up when you're in Philadelphia and you might just see a bald eagle. But what makes Philly a good home for this once-endangered bird? The Delaware.
"The trout we have here are beautiful as a way to get us to help protect their environment, their habitat. We want to make sure that this place stays like it is forever."
Leonard Stewart walks along the wetlands of the John Heinz National Wildlife Refuge every day. He says it helps him connect with nature and his community.
Researchers will use the data to model how ocean currents and other environmental conditions might predict where high levels of microplastics can be found in the ocean.
