250-300 word essay on pollution, English. US, Hindi, Translation, human translation, automatic translation. ' ', (CO), (CO2), (CFC) : ' ', (Nox), (SPM), (SO2). (process) ) ( ),., 2.,. (E.P. Odum) (pollution) - Pollution is an undesirable change in the physical, chemical or biological characteristics of air, water and land (i.e., environment) that will be, or may be, harmful to human other life, industrial processes, living condition and cultural. 7 2011. - (Sources of Air Pollution). pollution in hindi language pdf, environmental pollution essay in hindi, Definition of. ( ), Pollution defilement, (pollutant), (Types of Pollutants) - (Biodegradable Pollutants) (decompose), - (domestic sewage) (by products) CO2 (thermal pollution) - (Non-biodegradable Pollutants), (long chain detergents), (synthetic material) (recycling) (Toxicants), ) (smog gases, (insecticides) (effluents) (concentrate) Types of pollution (1) - (2) - (3). 24 2010. Home » Air pollution in hindi /. essay. Submitted by ravinder ( not verified) on Fri, - 13:42. essay is verry good.