A perfect balance is necessary between the natural and human environment. This is because human survival is depended on the natural environment. If human beings exploit their natural environement beyond its capacity to replenish, t pollutes the air, water and land that degreades the quality of human life also. If the human activities are keeping a balance to maintain a healthier natural environmental, it produces great wealth in the form of many resources and a healthier population. A healthy environment is also much less likely to cause large problems.