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technological level - pollution controlair pollution can be reduced by using bag filters electrostatic precipitators and cyclone separators that
control of pollutionwe have seen that pollution affects human health vegetation crop yield trees fisheries forests buildings archaeological monuments
radiation pollutionit is unfortunate that harmful radiations cause severe pollution but they cannot be seen or observed by eyes and are difficult to
effects of noise - noise pollutionnoise can affect in the following three ways interferes with communication diminishes hearing and affects health
noise pollution - environmental pollutionnoise is unwanted sound or excessively high levels of sound noise pollution is not only an annoyance but at
effects on health - water pollution water pollution deteriorates the quality of water used for drinking bathing swimming recreation and irrigation
effects on aquatic organisms - water pollution toxic water pollutants such as metals pesticides insecticides and chemicals affect aquatic species
contamination due to pathogens - water pollutionsewage is a source of pathogenic viruses bacteria worms and other parasites the extent of
eutrophication - effect on water bodiesmoderate quantities of sewage decay naturally in a water body and water gets purified after some time but the
biological oxygen demand - effect on water bodiesaddition of biodegradable matter exerts demand on oxygen of the water body the demand of oxygen is
effect on water bodies - dissolved oxygen do most aquatic organisms respire with oxygen dissolved in water the quantity of dissolved oxygen in a unit
surface run-off - causes of water pollutionthe surface run-off from cultivated lands where inorganic fertilisers pesticides insecticides and rich
industrial effluents - causes of water pollutionmost industrial operations produce effluents that are discharged into nearby river or any other water
domestic effluents - causes of water pollutionliquid waste produced daily in kitchen bathroom and toilet are discharged directly or through canal
water pollution water is one of the most essential requirements for the survival of all living organisms water is used for household agricultural
water pollutants - water pollution water pollution can occur on account of any one or more of the following agents1 biological pathogens such as
sources of water pollution there are natural sources of water pollutants such as mineral ores from rocks chemicals from mines and gases from
point and non-point sources the discharge of effluents in receiving water body at a specific site are referred to a point sources in contrast to the
meteorological factors and air pollutionair pollution levels in a region are affected by wind location topography precipitation and temperature
effects on weather - air pollutantsdust smoke and other suspended particulate matter reduce visibility fly-ash also affects visibility by
effects on materials - air pollutantsmost air pollutants are reactive chemicals so they react with most of the substances around you may recall from
effects on ecosystem - air pollutantsthe effects of pollutants on ecosystem become visible after a long period of exposure in highly industrialised
air pollutants - effects on plants particulate matter such as cement coal petro coke dust and fly-ash screen the light and thus change its quantity
effects on plants of air pollutantsso2 o3 and no2 are strong oxidants and can bring about significant changes in plant cell chemistry the general
effects on health - consequences of air pollutionsince the air pollutants are inhaled they attack various parts of the respiratory system on their