Solar park boom threatens Spain's centuries-old olive trees At his farm in southern Spain, Francisco Campos looked worriedly at a green sea of centuries-old olive trees that he fears will face the axe ...

California's economy is under pressure following Friday's state job report. Former director of California EDD Michael Bernick ...

L.A.’s fragile urban canopy was dealt a vicious blow this weekend when a chainsaw wielding vandal mowed down a number of ...

For Jane Hamel, the Capitol Hill wishing tree is a space for vulnerability. A team of amateur arborists helps her to nurture ...