Widely known and less common concepts of modern "big" ecology are considered - its theories, laws, rules, principles and hypotheses within the hierarchy of natural systems. Particular attention is paid to socio-economic and other applied aspects of science, primarily its role in the protection of nature and the rational use of natural resources. For scientists and practitioners in the field of nature protection, ecologists, biologists, geographers. by the author. Modern ecology: science or worldview?The structure of the biosphere . Subspheres and supraspheres . The Horizontal Structure of the Biosphere and the Hierarchy of Ecosystems . System of systems. Theorems of ecology . Preliminary observations . System-wide generalizations. Addition of systems. Internal development of systems. Thermodynamics of systems. Hierarchy of systems. "System-to-Wednesday" relationship. Physico-chemical and molecular-biological foundations of the existence of life. Environmental-Organic Patterns. Development of biosystems . Adaptation of biosystems . Patterns of the organism system - environment. General laws of the functioning of the body system - environment. Particular patterns in the body system environment. Population laws. Biogeographical regularities. Range and distribution of species within it. Variation of individuals (populations) within the species range. Community Distribution Patterns . Laws of functioning of biocenoses and communities . Energy, substance flows, productivity and reliability of communities and biocenoses. Structure and species composition of biocenoses and communities. Biocenotic communication and management . Ecosystem laws. Structure and functioning of ecosystems . Dynamics of ecosystems . General regularities of the organization of the ecosphere and biosphere of the Earth . Evolution of the Biosphere . The laws of the human system are nature. Environmental Laws . The Environmental Management Board. Principles of environmental protection, social psychology and human behavior . Theorems of ecology as a basis for environmental management . Resourceology. Nature and Economics . Natural resources and limitations in their use . Ecological balance and natural protected areas. Environmental problems and public reaction to them . Common features of the modern ecological crisis and awareness of its society . Problems of private greening . Dominant concepts. Environmental science and knowledge. Greening the industry. Greening agriculture. Greening forestry and fisheries . Environmental issues of transport. Ecologization of urban (municipal) economy . Social and Environmental Activities . Ecologicalization of population policy . General greening of natural resources. Socio-economic impacts of greening. Environmental Business and Market . Criteria for assessing environmental degradation in our country. Ways out of the environmental crisis. Optimistic pessimism[edit] Human Needs System (Environmental Approach). Features of the ecological approach to humans . The environment of life . Humanity and man as a large system . Classification of human needs . Some practical conclusions . Conclusion: Designs of the Future. Epilogue. Applications. General principles of environmental policy. Methodology of scientific (ecological, social and economic) examination of projects and economic undertakings (general principles) . Standard algorithm for the organization of scientific (ecological, social and economic) examination of projects and economic undertakings . Definition of the concepts of anthropogenic environmental situation . Environmental Manifesto .