Sakharov readings 2019: environmental problems of the XXI century. Proceedings of the 19 international scientific conference. Part 2

The proceeding includes materials of reports of 19-th international scientific conference 'Sakharov readings 2019: Environmental problems of XXI century', which was held on May 23-24, 2019 in the International A. Sakharov Environmental Institute at the Belarus State University (Minsk, Belarus). Part 2 of the proceeding contains reports about the state of human functional systems in extreme situations, bioecology, bioindication, radiobiology, nuclear technology and radiation protection. The proceeding is intended for wide area of the specialists in ecology and adjacent sciences, teachers, post-graduate students and students of higher schools. (authors)