US Deaths from Pollution Linked to Out-of-State Emissions
Smokestacks near an oil refinery are seen in front of the Utah State Capitol as an inversion settles over Salt Lake City.
Smokestacks near an oil refinery are seen in front of the Utah State Capitol as an inversion settles over Salt Lake City.
Commuters wearing face masks
Chitetsu Watanabe, 112
Subway in New York City
A hospital in Wuhan
A metro station in Taipei, Taiwan