Do you smell smoke? Inside California prisons, there are people assigned to do just that. As CalMatters’ Cayla Mihalovich explains, California’s 31 prisons have outdated, malfunctioning or inoperable ...

A pyrocumulonimbus — a thundercloud created by intense heat — is a phenomenon that can spark new blazes and is “unprecedented in France,” officials said.

We wouldn’t let anyone else live in a place that doesn’t have a smoke detector," one prison safety expert said about California falling behind on replacing its fire alarm systems.

The 30 FIREBird sensors, which have cameras, can send alerts and photos in 3 seconds to public safety dispatchers and reduce ...