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The Global Dimensions of the Environmental Problems 912
Principles of Environmental Science 1924
Environmental Problems A Birds Eye View 2536
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activities agriculture air pollution algae animals arid zone Assam basic Bihar biosphere Bombay carbon cause cent chemical coal conservation contaminated crops damage Delhi density Department of Botany desertification developing countries dioxide disease earth ecological economic ecosystems effluents electricity energy environmental education environmental management environmental problems erosion factors flood forest fuel fungi grasslands growth Gujarat habitat hazard impact important increase India industrial International lakh land landscape large number limits living London major marine material ment mental management microbial million tonnes natural resources noise nutrients organisms Orissa oxygen pesticides planning plants population density Pradesh Press production programme projects radioactive rainfall Rajasthan reactor regions Research result river Science seaweed sewage sewerage shifting cultivation slopes society soil soil-erosion sources species sulphur dioxide Technology tion Torrey Canyon toxic UNESCO University of Delhi various vegetation wastes water supply wetlands wind York