Mason City, Iowa has emerged as a powerful example of long-term urban tree planting success driven by grassroots leadership, effective nonprofit partnership, and intergenerational community engagement. With more than 3,400 trees planted across 38 projects since 1992, and over $224,000 in grant funding invested, Mason City has demonstrated how a single committed individual, when supported by a unified and aligned network of coordinators, volunteers, and city officials can completely transform a city’s tree canopy. Learn about the lessons in fostering tree champions in our Mason City case study.