Reforestation in the broadest sense is all the power to restore, maintain and improve land conditions in order to produce and function optimally, both their function as water or environmental protection. There is also a saying that the greening of the city is an effort to green the city by implementing the management of city parks, neighborhood parks, green lines and so on. In this urban greening is an open space-filling activities in the urban areas. In the process of photosynthesis of green plants take CO2 and took the role of C6H12O6 and O2 are desperately needed living things. Therefore, the role of green plants are needed to capture the CO2 and release O2 back into the air. In addition, various metabolic processes of green plants can provide various functions for the needs of living things that can improve environmental quality.
