NPR News: Wildfires In Western U.S. Could Affect Air Quality For Prolonged Period Of Time

Wildfires In Western U.S. Could Affect Air Quality For Prolonged Period Of Time
The smoke from nearly 100 large Western wildfires has public health officials worried. Air quality managers are warning this is the new norm for the region, given climate change.

Đọc tiếp trên NPR
July 28, 2018 at 03:41AM
Environment