
Wildfires, high temperatures and light winds have caused air quality in Northern California to deteriorate…

Wildfires, high temperatures and light winds have caused air quality in Northern California to deteriorate…

The entire society should take responsibility for the worsening air quality, said Zhong Nanshan, a renowned medical expert and also a NPC deputy…
Thick, off-the-scale smog shrouded eastern China for the second time in about two weeks Tuesday, forcing airlines to cancel flights because of poor visibility…