Studies in the early 2010s showed that crimes are negatively correlated to trees in urban environments; more trees in an area are congruent with lower victimization rates or violent crime rates.
在2010年代初期的研究表明，犯罪量與城市環境樹木量呈現負相關；在一個區域有更多樹木，與較低受害率或暴力犯罪率是一致的。