California ReLeaf kwuputara mwepụta nke asọmpi izu ụka Arbor steeti maka ụmụ akwụkwọ nọ na 3rd-5th akara ule. A na-agwa ụmụ akwụkwọ ka ha mepụta ihe osise mbụ dabere na isiokwu "Osisi Kwesịrị Ya". Ntinye aka bụ California ReLeaf site na February 1, 2011.
Na mgbakwunye na iwu asọmpi akwụkwọ mmado, ndị nkuzi nwere ike ibudata ngwugwu nke gụnyere atụmatụ nkuzi atọ na-elekwasị anya na uru osisi, uru osisi na obodo, na ọrụ n'ime obodo mepere emepe na ọhịa ọhịa. Enwere ike ibudata ngwugwu zuru ezu gụnyere atụmatụ nkuzi yana iwu asọmpi akwụkwọ mmado Webụsaịtị California ReLeaf. California ReLeaf na-akwado asọmpi a, ngalaba California nke ọhịa na nchekwa ọkụ (CAL FIRE), yana California Community Forests Foundation.
Ụbọchị Arbor, nke a na-eme na mba na Fraịde ikpeazụ n'April, malitere na 1872. Kemgbe ahụ, ndị mmadụ nakweere ụbọchị ahụ site na ịmepụta ememe n'ime steeti ha. Na California, kama ịme osisi naanị otu ụbọchị, a na-eme ememe ha otu izu. N'afọ 2011, a ga-eme ememe izu Arbor March 7-14. California ReLeaf, site na mmekorita ya na CAL FIRE, na-emepe mmemme iji kpọbata obodo, ndị otu anaghị akwụ ụgwọ, ụlọ akwụkwọ na ụmụ amaala ọnụ iji mee mmemme. Mmemme zuru ezu ga-adị na mbido 2011.