Wildfires in France and Spain are exposing people to a dangerous form of air pollution. Yet our analysis shows how the risk from the blazes in North America is far more severe at the moment https://t.co/EOOBEDQfeF ...

The public-health risk of wildfires depends on how much smoke there is and where it ends up. Our analysis shows that the blazes in North America pose a greater risk than those in Europe (for now) https://t.co/wyTPhgdvBH https://t.co/dtJx30wa0X ...