Zaka zitatu zapitazo, United Voices for Healthier Communities idabzala mitengo 7,000 pamasamba 30 ku Southern California. Chaka chino, California Urban Forests Council akukonzekera kubzala mitengo 3,400 ku San Diego, Fresno ndi Central Coast kudzera mu pulogalamuyi.
CAUFC ikulemba ganyu Woyang'anira Pulogalamu wanthawi yochepa kuti akwaniritse ntchitoyi. Kuti mudziwe zambiri, onani malongosoledwe athunthu pansipa.