Green space and vegetation may play a protective role against urban violence. We
investigated whether being near urban tree cover during outdoor activities was related to
being assaulted with a gun. We conducted geographic information systems–assisted
interviews with boys and men aged 10–24 years in Philadelphia, Pennsylvania, including
135 patients who had been shot with a firearm and 274 community controls, during 2008–
2011. Each subject reported a step-by-step mapped account of where and with whom they …

Statement of purpose Green space and vegetation may play a protective role for urban
violence. We investigated whether being near urban tree cover during outdoor activities
related to being assaulted with a gun. Methods/approach We conducted GIS-assisted
interviews with 10 to 24 year old males in Philadelphia, PA including 135 patients who had
been shot with a firearm and 274 community controls. Each subject reported a step-by-step
mapped account of where and with whom they travelled over a full day from waking until …