Human civilizations have been growing rapidly since the beginning of our era, resulting in the drastic decline of the greens in the cities due to the construction of the residential area. This led to a controversial issue debating on the topic of whether the conversion of green area to the housing area contributed to positive or negative impacts. However, after a thorough consideration, though there are some positive effects of the increase of habitat, the negative effects of this alteration of the area should not be put down by any chance.