THE ROLE OF COMPLEX ECOLOGICAL MONITORING IN THE REGULATION OF SUSTAINABLE DEVELOPMENT ArticleElkina E.K., Lavrenko A.A.YOUTH OF XXI CENTURY IN A SCIENTIFIC, CULTURAL AND EDUCATIONAL ENVIRONMENT: NEW VALUES, CHALLENGES, PERSPECTIVES Proceedings of the International Youth Scientific Conference.\r\nMoscow, November 20–22, 2017. - PART 2. 2017. С. 112-114