Green Team Teens Dig In to Heal Their Watersheds
In 2009 Calvin College faculty members Gail Heffner and Dave Warners launched Plaster Creek Stewards after learning that Plaster Creek (named for the plaster mill set up in 1840 to use the creek’s gypsum) is the most contaminated creek in West Michigan. Plaster Creek Stewards is a collaboration of Calvin … More Green Team Teens Dig In to Heal Their Watersheds »