List three roles of forests in conversing the environment . How do the forests get depleted ? State two consequences of deforestation on the environment .

Explanation

Role of forest in conserving the environment :
(i) Forest help in bringing sufficeint rainfall by maintaining a perfect water cycle.
(ii) Forests provide habitat to wild animals and birds , so an ecological balance is maintained by preserving the biodiversity .
(iii) Forest help to prevent soil erosion and help in maitaining fertility of the soil.
Forest get slowly deplted by the rapid industrialisation and ubranisation . As the population increase , humna needs demand large space for living . This lead to the depletion of forests in many places . Forests also get depleted due to forest fires overgrazing by animals , etc .
The consequence of deforestation will be :
(i) Deforestation affects wildlife , plants and humans in different ways , via soil erosion , water cycle disruption , desertification and habitat loss.
(ii) Deforestation leads to emission of greenhouse gas which contributes to global warming .