First hand observations by virtue of being a part of a Government agency that owns, develops and manages large areas of green in Delhi, has led to certain hypothesis which have initiated this research. Most of the urban green spaces being designed and developed lack in their functional use, ecological stability, social benefit and economic sustainability at their optimal. To overcome this fragmented development, holistic multidisciplinary approach towards functional, ecological, social and economic aspect needs to be developed and adopted. Within an urban area, the available greens should be developed with a strategy such that minimum developmental effort yields maximum environmental benefits. In other words Environmental Optimization of the Urban Green System is required.