Can Drones Fight Air Pollution?

Schools had to close in Bangkok this week as air pollution reached hazardous levels. Thai authorities launched five water-spraying drones over the city in the hope that they could take some of the dust particles out of the air. Critics say the drones are a PR stunt and that the authorities need to take stronger action in getting air quality back to safe levels. Bangkok is currently the fifth most polluted city in the world.

Videos For You


What's Hot