Before revision: Green belt in Tehran, Iran Adelaide Park Lands green belt around the city centre A green belt is a policy, and land-use zone designation used in land-use planning to retain areas of largely undeveloped, wild, or agricultural land surrounding or neighboring urban areas.
After revision: Green belt at Thompson Park in Monroe Township, Middlesex County, New Jersey, U.S.Green belt in Tehran, Iran Adelaide Park Lands green belt around the city centre A green belt is a policy, and land-use zone designation used in land-use planning to retain areas of largely undeveloped, wild, or agricultural land surrounding or neighboring urban areas.