The author analyses, in particular, some legal aspects of Russia’s participation in interna-tional co-operation with some countries of Eurasian region in terms of environmental protection and sustainable development. Consideration is given also to ecological and economic aspects of interrelation between the states, and assessed are foreign agreements and relevant documents is-sued by the Eurasian Economic Community. Finally, conclusions are drawn as to promising trends of international co-operation of Russia with the countries of Eurasian region in the matters of environmental control.