Review contents of the course of Introduction to Environmental Science Definitions of Environment and Environmental Science Ozone layer Greenhouse Gases and Green House Effect Climate Change and Global Warming Atmosphere structure and their properties Water on earth and Hydrosphere Structure Structure of earth and Lithosphere Minerals, Rocks and Soil formation Levels of Organization and Biomes 10 Population and communities 11 Ecosystems: Definition, structure, energy flow and material cycle, ecosystem balance, development and ecological succession 12 Human impact on ecosystem 13 Definition and classification of Natural resources 14 Main resources and their use 15 Environmental pollution: Definition and Sources of pollutants 16 Main Indicators for air, water and soil pollution 17 Main types of surface water pollution 18 Population the environment 19 Population growth and distribution 20 Global migration 21 Agriculture development and green revolution 22 Sustainable development concept and indicator