Pollution is the most current issue in the world.pollution are unwanted and harmful things to our mother earth.there are many types of pollution like water,air,land,noise.most of these are done by the humans but nobody takes pain to take care of it.we should take steps to minimize it.There is very big hole in the ozone becos of the pollutions,and the size of the hole is increasing bit by bit nowadays. To prevent it we should stop using refrigerator, AC,aircoolers, desert coolers, etc..we should stop releasing factory waste in the freash water to prevent water pollution. Minimize smoke from factories to prevent air pollution. Stop using plastic to prevent land pollution. Minimize using noisy thing to prevent noise pollution.