The second type of air environment is the global warming. For instance, the deforestation It has affected many. For instance, the environment change, seasonal change, increasing temperature, rising environmental heat, increasing greenhouse gas effect, melting ice caps and glaciers, increasing seas level, weakening ozone layer, hole in the ozone layer, sea animal dying, increasing risks of natural disaster like storm, cyclone, typhoon, flood, drought, and many more negative changes which are enough to last the existence of life on the earth. Forests plays great role in balancing the human life and environmental cycle by regulating the water cycle, providing oxygen, regulating environmental temperature, preventing soil erosion and many more. By cutting the forests we are stopping all the positive activities done by forests in the favour of human and environment.