In companies, at the end of production processes, there are also emissions and wastes together with finished products. The wastes are related with production management decisions of the companies to a great extent. Companies should evaluate environmental issues in all their decisions from the design of products and processes, to production, distribution of the products to customers anddisposalof the products. In this respect, production managers have important responsibilities in all their decisions in decreasing the quantities of emissions and the use of natural resources and increasing recycling ratios. With respect to integration of environmental issues with companies' production management decisions, the emissions and wastes should be prevented and the goals that are related with environmentally conscious production practices can be achieved.