After historical waves of invasive species infestations, UI campus responds to mass-killings of the Green Ash tree species by implementing an interesting kind of diversity: celebrity trees.

The University of Iowa, which recently became a U.S. Environmental Protection Agency (EPA) Green Power Partner, is recognized on several of the EPA’s Top Green Power Partner Lists. Iowa is ranked No. 3 on the Top 30 College & University List of the largest green power users—the highest ranking among the six Big Ten universities on the list.