“…1 presents a simplified scheme of the environmental and economic system "coke and by-product process -the environment". A number of authors [4] note that the key element in the management of the local ecological and economic system is the nature protection organizational and economic mechanism, the performance of which is assessed by groups of interrelated indicators: economic (production volume, profit, cost, technical condition of fixed production assets, level of use of production capacity, etc. ); environmental indicators, including parameters of negative impact on the environment and other characteristics; ecological and economic, characterizing the value of the actual, predicted and damped negative impact on the environment (economic damage, payment for negative environmental impact, fines for violation of environmental legislation, current costs of maintaining environmental fixed assets, etc.…”