The air quality index measures PM2.5, less than 2.5 microns particles, to determine the intensity of air pollution in cities.

The Los Angeles (LA) wildfires began with with the Palisades fire, which erupted the morning of Jan. 7 in Pacific Palisades as a mere brush fire. Evacuation orders were issued for that fire and by ...

United States Human Rights Violations against the Numu/Nuwu and Newe in the Rush for Lithium,” found that the US Bureau of ...