Preface. I: Current Problems and Prospects of International Collaboration. II: Experience of the International Research Centres’ Activities and Some Results of Interaction between Scientists in Priority and Multidisciplinary Problems. II.1. Environmental Problems. II.2. Interdisciplinary Studies for Lake Baikal. II.3. Natural Sciences and Technological Applications. II.4. Socioeconomic and Humanitarian Studies. III: Information Support and Education. Statement.