How a wildlife photographer uses his talent to advocate for an ecosystem

Wildlife photographer and engineering student Soren Goldsmith designs and uses motion-activated camera traps to photograph the wildlife of Wellfleet, Massachusetts, and convince people that saltwater marshes are worth protecting.

This story was produced by Grace Go, Lizzie Stoner, and Joey Wu, with support from Becky Wandel, Marie Cusick, and Briget Ganske.