On National Pollution Prevention Day, Mamata Banerjee urges people to 'save green and stay clean'
National Pollution Prevention Day is observed annually on December 2 in memory of people who lost their lives in Bhopal gas tragedy in 1984.
Dec 02, 2018, 13:16 PM ISTNational Pollution Prevention Day: How to protect children from environmental risks!
Some of the most common sources of air pollution are household combustion devices, motor vehicles, industrial facilities, unpaved roads, forest fires etc.
Dec 02, 2016, 13:12 PM IST