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...Lecture notes on environmental pollution environment ecology nd b tech year by dr ranvijay pratap singh assistant professor faculty of engineering technology university lucknow air is define as the composition disturbed due to presence gas smoke dust chemical particulate etc which are injurious human being plant and animal types i primary pollutant pollutants that emitted directly from or natural activities known for example co so no matter hydrocarbons x ii secondary when react with atmospheric moisture content then a new category form carbonic acid nitric sulphuric cause urbanization population c deforestation d industrialization e vehicle emission major their effects carbon dioxide concentration increase in atmosphere vehicles burning fossil fuel volcano industries agricultural activity it green house effect causes global warming climate change monoxide releases after incomplete combustion other product source coal biomass headache dizziness heart failure blood combines oxygen reduc...