An nada Carrie Gallagher Babban Darakta na Alliance for Community Trees (ACT), mai tasiri Afrilu 4, 2011, ta sanar da Ray Tretheway, Shugaban Hukumar Gudanarwar ACT. ACT wata kungiya ce mai zaman kanta ta kasa da ta sadaukar da kanta don inganta lafiya da rayuwar birane ta hanyar shuka da kula da bishiyoyi. Tare da kusan ƙungiyoyi 200 na gida a cikin jihohi 41, ACT jagora ce ta ƙasa wajen ƙirƙirar al'ummomin kore, masu tsabta, da koshin lafiya.
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