The paper is devoted to an analysis of ecological practices of the largest multinational corporations of nonferrous and ferrous metallurgy owning foreign production divisions in the territory of Europe, the USA and Canada. The author has carried out the review of the main regulation of impact of the metallurgical companies on the environment. Special attention is paid to various models of corporate social responsibility realized in Europe and the USA. The ecological aspects of activity of the European and American divisions of the Russian multinational corporations in comparison with practices of the largest metallurgical companies are estimated.