The green school in Dedham, MA saved the town $400,000 in new sewer-system infrastructure by reducing stormwater runoff from the school grounds.

• 美国麻萨诸塞州戴得镇的绿色学校因为减少校园雨水径流，而为该镇省下了新下水道系统基础建设约四十万美金的经费。