TreePeople volunteers water a tree at the Los Angeles Equestrian Center Martinez Arena in Griffith Park, Friday, July 31, 2015, in Los Angeles. As Californians and the communities they live in cut back water usage and let lawns go golden, arborists and state officials are worrying about a potentially dangerous ripple effect. Nearby trees are going neglected and becoming diseased or dying. (AP Photo/Nick Ut), APTOPIX