GREEN
BELT
A
rural, non urban or naturally timbered tract of land adjoining built
up areas intended for recreation. Usually an outer edge to the built
up areas of a city. Green belts serve as a buffer between present
development and proposed satellite developments at a planned distance
from the main centre of population. It is proved very difficult to
preserve green belts particularly in rapidly expanding cities such as
Sydney or political indifference as in Adelaide: