Unhealthy air quality

Catarata Films

We're talking about the ways warfare can build bonds in tribal societies, and how air pollution can have devastating effects in our modern world. 

Map of United States with temperature scale of smoke such that red is large amounts of smoke. Orange and red colors over the western US.
NOAA

For many residents in northern Utah, our characteristic mountains are shroud in a hazy smoke. The cold front that entered on Monday brought with it northwesterly and westerly winds carrying smoke from the many fires in the western United States.