What is a smoke control system, and why do so many building owners misunderstand how these systems work? The HelloNation feature "What Many Owners Miss About Smoke Control," featuring Building Expert ...

Researchers at the University of Minnesota are deploying autonomous drones to study smoke patterns with the goal to improve ...

CURRENTLY TRACKING: Winter-like conditions arrive this weekend with light snow accumulation possible. More seasonable temperatures return on Veterans Day and continue through the rest of the week.

CURRENTLY TRACKING: Above-average temperatures and an elevated fire risk due to breezy and gusty south winds, low humidity, combined with dry fuels (grass, old crops and brush). Low light afternoon ...

PHILADELPHIA (WPVI) -- Temperatures moderate for the next several days. It stays on the windy side. WEDNESDAY: Partly sunny and not as chilly. High 53. Still breezy. THURSDAY: Bright and breezy. High ...