АКТУАЛЬНЫЕ ВОПРОСЫ МЕЖДУНАРОДНОГО ПРАВА STUDY THE PRINCIPLES AND CONCEPTS OF INTERNATIONAL ENVIRONMENTAL LAW M.A. Kafaei Far The Department of International Law Peoples’ Friendship University of Russia 6, Miklukho-Maklaya st., Moscow, Russia, 117198 Almost all principles of international environmental law are used in order to proof the concept of sustainable development: Sovereignty principle over natural resources, principle of commitment to collaboration, informing and assistance in environmental emergency situations, The principle of protection and preserving of the environment, principle of obligation to pay compensation by polluting the environment, Precautionary principle and the principle of prevention. <...> Although they have different degrees of binding, this principle must be viewed in a single set, because each principle completes the other. <...> Key words: principles of international environmental law, sustainable development, environmental protection. <...> This law is useful in establishing Policies and environmental protection measures, rational, and sustainable use of natural resources, as it is emphasized in documents and important international declarations about the environment. <...> In the long and difficult processes of human evolution, there is a level of rapid development of science and technology with different methods and systems in an unpredictable scale; this level has reached the point of changing and affecting the environment. <...> The importance and realization of sustainable development in international environmental law could lead the world to witness the evolution of this legal branch of sustainable development in international law. 230 Вестник РУДН, серия Юридические науки, 2013, № 3 The Rio+20 summit which was organized in Rio de Jeneiro, Brazil, focuses on sustainable development and endorses the outcome document of the United Nations Conference on Sustainable Development, entitled, The future we want?, which annexed to the present resolution. <...> We, the Heads of State and Government and high-level representatives, having met at Rio de Janeiro, Brazil, from 20 to 22 June 2012, with the full participation of civil society, renew our commitment to sustainable development and to ensuring the promotion of an economically, socially and environmentally sustainable future for our planet and for present and future generations. <...> Renewing political commitment A. Reaffirming the Rio Principles and past action plans 2. <...> We recall the Stockholm Declaration of the United Nations Conference on the Human Environment adopted at Stockholm on 16 June 1972. 3 <...>