The authors argue that a market monetary approach to environmental management is not effective. In this regard, the article proposes theoretical background and practical recommendations for creating a global ecology management system based on the operational assessment of the current environmental impact magnitude. This system allows calculating the environmental value of products, as well as a number of key indicators of environmental performance, which are direct analogues of economic performance indicators. The proposed economic approach, based on the use of accounting methods, provides an opportunity to establish a mathematically accurate correlation between the economic and environmental results of economic and other related activities.The application of carbon emission data for selecting the “cleanest” type of generator that provides the least amount of total globally significant CO2 emissions has been analyzed as an example.