A University of Pennsylvania study published this week found that gun-related assaults declined significantly when vacant lots were converted into green park spaces.
According to theatlanticcities.com:
Residents in some areas around these newly converted green spaces also reported feeling less stress and getting more exercise – presumably some of the byproducts of a neighborhood reclaiming its streets from crime.
Vandalism and criminal mischief also significantly fell off.
Read the complete post: Greening Vacant Lots Linked to Reduced Gun Violence