1. Consequences of deforestation :- The consequences of deforestation are :- i) Increase in the temperature and pollution level on the earth. ii) Increase in the level of carbon dioxide in the atmosphere leading to global warming. iii) Lowering of ground water level. iv) Disturbs the balance in nature. v) Decrease in rainfall leading to draught. vi) Soil erosion and decrease in soil fertility leading to desertification.vii) Decrease in the water holding capacity of soil leadingto floods.