An array of masses believe that trees need to be planted in spare spaces in urban areas because they purify the polluted air while, others support building houses rather than planting trees because it makes life more comfortable and convenient. However, in my opinion, they both are significant and need to arrange in a balanced way. To commence with, all living creatures need pure air to breath to stay healthy, planting trees decline the pollution rate as trees act like filters that absorb all the harmful gases and keep the environment clean. For instance, research proves that heat in cities can be better controlled by having more trees which filter the sun's heat and offer shade as it ultimately lowers the temperature. Moreover, trees offer urban wildlife a better environment to live in and lay a part in the ecosystem a city. Hence, urban forestation can be beneficial due to number of reasons as above. On the other hand, constructing houses has several merits. Mainly, witho...