Lolemba, June 21, opanga zisankho ochokera kuzungulira California adakumana kuti amve Dr. Greg McPherson, Mtsogoleri wa Center for Urban Forestry Research, akulankhula za momwe kubiriwira kwamatawuni kumapitilira kukongola kowoneka bwino. Dr. McPherson adawonetsa momwe zingathandizire kukonza mpweya wabwino, kupulumutsa mphamvu, kuteteza madzi abwino, komanso kugwira ntchito yofunika kwambiri pakuchepetsa kusintha kwanyengo komanso kusintha. Mutha kuwona ulaliki wa Dr. McPherson's PowerPoint ndi kuwonekera kuno.
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