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Canned air and water-spraying drones: Smog remedies

Updated : March 21, 2019 05:23 PM IST

According to the World Health Organisation, 92 percent of the population in the Asia Pacific region are exposed to levels of air pollution that pose a significant risk to their health, according to UN Environment.
Cloud-seeding is used to stimulate rain by injecting chemicals into clouds using rockets, cannons or aircraft, but the technique is not always successful.
Canned air and water-spraying drones: Smog remedies
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