Fresh water is the most important source of life on the earth. Any living thing may survive without food for days however it is impossible to imagine life without water and oxygen. The ever increasing human population enhances the demand of more water for purposes like drinking, washing, performing industrial processes, irrigating crops, arranging swimming pools and other water-sports centres.

~ xin hay nhất ~

Planting of more and more trees in our surroundings. Plants trap dust and particulate matter such as dust, ash pollen and smoke. They also absorb carbon dioxide and other poisonous gases that contaminate the air.

Car pooling helps to reduce pollution. Car pooling is a method followed by people who travel to a common destination. 4-5 people travel in the same car. This helps reduce pollution, which could have caused if each one travelled using their individual cars.