Ecologist: Erik Swanson might just be the future of American environmentalism. A 21-year-old biology major at Wheaton College, a prestigious institution near Chicago, Swanson leads a student environmental group, organises recycling drives, and runs a community garden that supplies organic produce to the campus food service. An outdoorsy type who's passionate about climate change, Swanson spends his summers working on environmental projects, and hopes one day to become a professional ecologist. Swanson sounds...