people today enjoy their life.They enjoy shopping,eating out never realize that they are making their home planet full of pollution.This article presents different kinds of pollution caused by humans.One kinds is air pollution.This is caused by people burning oil,coal,and gas.More than these,factories and cars can cause heavy air pollution,too.Water pollution is another problem.This is because people release waste and chemicals into many rivers,lakes,and oceans.Therefore,many kinds of water plants and animals die or disappear.Pollution on land is also a very big problem. For example,farmers use a lot of dangerous chemical like pesticides or insecticides in their farms and the soil become degraded.As a result,it is not good for growing food crops.It's surely the humans who cause these kinds of pollution.They just don't realize that one day they have to suffer from the results of their own actions.