With population explosion and with the advent of industrial revolution to meet the growing needs of the expanding population, the demand for resources for both production and consumption went beyond the rate of regeneration of the resources, the pressure on the absorptive capacity of the environment increased tremendously, this trend continues even today. Thus, what has happened is a reversal of supply-demand relationship for environmental quality, we are now faced with increased demand for environmental resources and services but their supply is limited due to overuse and misuse. Hence, the environmental issues of waste generation and pollution have become critical today.