Factories pollute Environment in different ways which could be harmful for all creatures of Earth. The Air gets polluted due to the fuel emissions like carbon dioxide,Methane,Nitrous oxide  etc....As organisms take in these gases severe respiratory diseases  may  catch them and if these factory gases are emitted near a water body it will  affect aquatic life too.... it is a big challenge we have to deal with right now,by controlling emission  from factory . India`s air pollution issues are at hike these days.We have to act without delay,or else future on earth and next generation will become impossible dreams.