Ogbako oke ọhịa nke California nke 2009: “Gịnị ugbu a? Gịnị ọzọ? Ntụziaka Ọhụrụ maka oke ọhịa na ime obodo” bụ nnukwu ihe ịga nke ọma. Ihe karịrị ndị sonyere 100 jupụtara n'ọnụ ụlọ ọgbakọ dị na Ventura ka Andy Lipkis, Onye isi ala OsisiMmadu, nyere okwu isi okwu "Nature Nature and Community for Safe, Healthy and Resilient Cities". Ndị so na ya gara nnọkọ na-akọwapụta ihe ọhụrụ, atumatu njikwa na nyocha na mmepe ugbu a n'ime ọhịa mepere emepe. Ihe karịrị 25 California ReLeaf Network otu ndị otu nọchitere anya.
Ọ bụ ndị haziri ọgbakọ ahụ California Urban Forest Council. N'oge na-adịghị anya ihe ngosi ga-adị site na webụsaịtị a.