Ntchito ziwiri zamitengo, Mwezi wa NeighborWoods ndi Healthy Communitrees, zigwirizana kumapeto kwa sabata ino kubzala mitengo 4,000 m'boma lonse. Ndipo ndicho chiyambi chabe. Padziko lonse lapansi, mitengo yopitilira 20,000 idzabzalidwa kuti ikondwerere "Tsiku Losintha".
Kuti mumve zambiri zama projekiti omwe akuchitika m'dziko lonselo, onani m'nkhaniyi kuchokera ku USA Today.