Topics: Sustainable Environmental Development, Sustainable Living, Carrying Capacity, Environmental Change, Biodiversity, Ecological Balance, Tripartite Environment, Environmental Pollution, Pollution Control, Waste Management, Environmental Planning, Poverty Reduction Strategies, Sustainable Entrepreneurship, Gender Equality, Environmental Ethics, Positive Discrimination

Topics: soil water, Salinity, temperature, pH, Radiation, pollution, Benthic region, marine bacteria, Tundra soils, Salt lakes, extreme aquatic environments, Glaciers

Topics: climate, Rainfall variability, rainfall, Humidity, Solar radiation, sunshine, light, cloudiness, wind, Edaphic factors, Soil Formation, plant community, terrestrial pollution, forest resources, wildlife resources, population, population ecology, population growth, logistic growth model, sigmoid form model, population density variation, population size

Topics: Soil microbiology, soil habitats, lithosphere, bacteria, Nitrogen fixers, disease suppressors

Topics: microbial ecology, environmental biotechnology, pollution, Microbes and geological environment, Geo microbiology, microbe-aquifer, environmental remediation

Topics: Thermodynamics, internal combustion engines, air standard cycle, fuel-air cycle, actual cycle, combustion in S.I engines, Combustion in C.I engines, air capacity of four stroke engines, two stroke engines, chemical thermodynamics, fuel, fuel/air mixture requirement, carburetion, carburetors, fuel injection systems, ignition systems, engine friction, lubrication, supercharging of I.C engines, testing of I.C Engines, performance of I.C engines, air pollution, duel-fuel engine, multi-fuel engine, stratified charge engine, stirling engine

Topics: Economic Growth Rates, World Population Growth, Income Inequality, poverty, hunger, Health, Longevity, education, Industrialization, Postindustrialization, Urban Air Pollution, Public Enterprise, Private Enterprise, Globalization, international Trade, Foreign Investment, Foreign Aid, Global Climate Change, Development Sustainability, Development Goals, Development Strategies

Topics: biosphere, atmosphere, lithosphere, Climate Change, hydrosphere, Environmental Problems, earthquake, flooding, water pollution

Topics: Environmental management, pollution pays principle, carbon tax, user pay principle, environmental sustainability, social sustainability, human development index, gender-related development index, index of social health, index of economic well being, happy planet index, genuine progress indicator

Topics: Zoology, ecology, ecosystem, invertebrates, vertebrates, population, pollution, kingdom Protista, protozoa, Phylum Sarcomastigophora, Subphylum Mastigophora, Phytomastigophora, Zoomastigophora, Subphylum Opalinata, Subphylum Sarcodina, Phylum Labyrinthomorpha, Phylum Apicomplexa, Phylum Myxozoa, Phylum Microspora, Phylum Ascetospora, Phylum Ciliophora, phylum porifera, sponge, kingdom animalia, Pinacocytes, Choanocytes, Collarcells, Archaeocytes, phylum coelenterata, cnidaria, phylum Platyhelminthes, flatworms, Nematoda, round worms, parasitic nematode, segmented worms, phylum Annelida, phylum Arthropoda, arachnidan, mandibulates, uniramia, Diplopodia, Millipedes, Chilopoda, Centipedes, Pauropoda, crustacea, mollusca, echinodermata, chordata, fish, pisces, Agnatha, Gnathostomata, Chondrichthyes, Osteichthyes, Bonyfishes, amphibia, reptilia, Aves, birds