Recently, Zìonsville was named a 2012 Tree City USA by the Arbor Day Foundation in honor of its commitment to effective urban forest management. This is the 12th year Zìonsville has earned the national designation. The community also received a Tree City USA Growth Award for demonstrating environmental improvement and a higher level of tree care. The Tree City program is sponsored by the Arbor Day Foundation, in partnership with the U.S. Forest Service and the National Association of State Foresters. More information on the Foundation and its programs can be found at www.arborday.org.