Usually in winter, air quality in Kathmandu is equivalent to smoking two packs of cigarettes a day. But wildfires raging across central Nepal for the past weeks may have increased that to four packs a ...

Smoke from wildfires and structural fires doesn t just irritate lungs it actually changes your immune system. Harvard scientists found that even healthy people exposed to smoke showed signs of immune ...

Fire doors are part of the building’s safety system. They are fitted to slow fire and smoke. They protect escape routes. They give people time to leave. When they are misused, that protection fails.