Dust pollution is mainly caused by unscientific practices during road development and maintenance. The collected dust is typically discarded in landfills or on roadsides, wherefrom the wind easily carries it back into cities, rendering the entire sweeping process ineffective
Dust pollution is mainly caused by unscientific practices during road development and maintenance. The collected dust is typically discarded in landfills or on roadsides, wherefrom the wind easily carries it back into cities, rendering the entire sweeping process ineffective