Problems regarding pollution must be handled very carefully and precisely, which requires a well-organized and accurate program. In this article, we suggest that different programs should be used for different time scales (short-term or long-term programs) to manage and control the pollution,...

Privatization — a political as well as an economic policy — is generally defined as the transfer of a property or the responsibility for it from the public to the private sector. But privatization is not merely the transfer of the ownership and efficiency of the market should be considered....