Councilmembers and the NYC Comptroller's Office have raised concerns about the city’s ability to handle climate emergencies.

A study published in JAMA Neurology has discovered a troubling new health concern: prolonged exposure to wildfire smoke may ...

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

Amid the unthinkable losses from L.A.'s unprecedented disaster, there were also small miracles and harbingers of hope across ...