With the sharp deterioration in environmental conditioner protective measures are devised and developed. The present work, in two volumes, compiles valuable and succinct material on Environmental Technology Major themes discussed are: Pollution Cycle; The Interelationship between the Various Forms of Pollution; Types of Air Pollution Control Equipment Reducing Air Pollution by Source Connection Methods; Sulfur Oxide Control by Fluidized- Bed Boilers; Sulfur Oxide Control – Dry Absorption Processes; Hydrocarbon Control -Direct Fame Incineration; Fluorid Control in Waste Gases; Mercury Control in Exhaust Gases; Control of Air Pollutants in Sewage Treatment Plants; Adictive Injection Techniques; Desulfurization of Fuels by Catalytic Hydro-desulfurization of Residual Oil; Other Alternatives to the Internal Combustion Engine; The Role of Fuel, Composition; The Case for Smaller Cars and for Improved Mass Transportation; Pyrolysis of Solid Waste. Students, scholars and teachers in the field of environmental technology and environmental studies besides the environmental scientists and activists will find this work most useful and informative.