Pollution is basically a contamination of the environment caused by the pollutants that hamper or disturb the stability of the nature. In most of the cases, the pollution is the result of the human activities. If we human beings learn to control our activities and resort to recycling, then the day is not far when we can create the equilibrium in nature.
The best way is to perform " Agnihotra" at home. Agnihotra is the process of purifying the atmosphere through specially prepared fire. This healing fire comes from the Vedas, the most ancient body of knowledge known to man.
You can visit this website for more information on purifying the atmosphere.