Under the new law, California elementary and secondary schools have until 2026 to implement guidelines to reduce smartphone usage. The rules can be relaxed in case of emergencies or health issues.

For California laws, the buck does really stop at Gov. Gavin Newsom’s desk. While the Legislature approved hundreds of bills before ending its regular session on Aug. 31, Newsom decides whether they become law.

"Paper or plastic" will no longer be a choice at grocery store checkout lines in California under a new law signed Sunday by Gov. Gavin Newsom that bans all plastic shopping bags.