A new Philadelphia study, financed by the National Institutes of Health, finds evidence for a gun-violence remedy that many could agree with: clearing trash and debris from vacant lots. Researchers from Penn and Columbia identified a drop in crime rates in neighborhoods surrounding trash-strewn vacant lots that were transformed into mini parks. When study authors analyzed crime rates in the areas surrounding these lots for 18 months before and after treatment, they found that both kinds of “greening” appeared to reduce gun assaults, burglaries, and overall crime.
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