1.helps in reducing carbondioxide & increase oxygen
2.helps to bring rain
3.helps in cooling the earth' temperture
4.less soil erosion
5.animals like bats & some birds feed on large amount of mosquitos,flies,roaches,grass hoppers7controls the growth of pests
6.wood for furnitures,building,houses etc....
7.some animals like wild boar which are over populated & considered pests can be hunted for food