Ophunzira a giredi yachitatu, yachinayi, ndi yachisanu ku California konse akuitanidwa kutenga nawo mbali pa mpikisano wa chaka chino wa California Arbor Week Poster Contest. Mpikisano wa chaka chino, "The Trees in My Community Are the Urban Forest" wakonzedwa kuti uwonjezere chidziwitso cha maudindo ofunikira a mitengo ndi mapindu ambiri omwe amapereka kumadera athu.
Pamapulani a maphunziro, zochita, ndi malamulo ampikisano, tsitsani paketi yathu yonse ya mpikisano wa zikwangwani za 2013.