Most of the tree is underground. Estimated to be 13,000 to 18,000 years old, the tree — known as the Jurupa Oak — is older than almost any other plant on Earth. It has survived an ice age and ...

JURUPA VALLEY, Calif.— Conservation groups sued the city of Jurupa Valley today for approving a development near the world’s oldest known living oak without properly analyzing the potential threats.

JURUPA VALLEY, Calif.— The Jurupa Valley City Council approved a development plan Thursday that would place the world’s oldest known living oak in jeopardy. The plan to build residential, industrial ...

5, Jurupa Valley city council members narrowly ... since the project proposes building close to the ancient Palmer's oak, thought to be over 13,000 years old. “This is a Trojan horse, and ...