POLLUTION
POLLUTION A substance which is harmful and poisonous for the environment. Now a days pollution level is increasing rapidly because of crackers and stubble burning. It is harmful for our health and can cause disease like cancer.The major type of pollution are water pollution and air pollution Agricultural waste like ,pesticides , fertilizers,industrial waste like , chemicals and oil spills from oil refinery leads to water pollution and also harms the aquatic life present in the lakes,pond,rivers and seas etc. The other type of pollution is air pollution. It is done by burning kerosene oil , petrol diesel,smoking and stubble burning. it leads to increase in the level of carbon dioxide which is harmful for our health . so we can prevent pollution by planting trees by not throwing waste material into the seas,lakes,ponds etc.we can also save water by building water harvesting systems every where at homes,schools,hospitals etc.