Chennai city the fourth largest Metropolitan city is a unique harmonious blend of Tradition and Modernity with multistoried buildings of Industrial Residential Commercial. It has increasing trend of Global Warming and Pollution due to growing No. of industries and Vehicles. A green revolution has taken place in the City of Chennai in the form of development of Parks, Traffic Islands, Centre Medians. Chennai Municipal Corporation has taken up the task of Developing and rejuvenating the greenery of the Chennai Metro.