https://pmc.ncbi.nlm.nih.gov/articles/PMC6950486/#sec5-ijerph-16-05119 https://pmc.ncbi.nlm.nih.gov/articles/PMC6950486/#sec5-ijerp... "Based on the 45 quantita

https://pmc.ncbi.nlm.nih.gov/articles/PMC6950486/#sec5-ijerph-16-05119 https://pmc.ncbi.nlm.nih.gov/articles/PMC6950486/#sec5-ijerp... "Based on the 45 quantitative and qualitative papers summarized here, we can deduce that the presence of parks and other green space reduces urban crime."