The Fight Against
Smog Ramps Up
Chinese government provides incentives for heavy polluters to go green, but analysts question if its wider air quality strategy goes far enough.
China To Test New
China has previously used fixed-wing drones
to disperse chemicals for pollution control efforts and to 'seed' rain clouds over drought regions.
Most Polluted Cities
Health & Environmental Effects of Air Pollution
Millions of Americans live in areas where urban smog, particle pollution, and toxic
pollutants pose serious health concerns. Who is most at risk?