Urbanization and reduced exposure to natural environments have been linked to poor mental well-being. This cross-sectional study evaluated the association between access to urban green spaces and mental health among 1,000 adults in three metropolitan cities. Participants completed standardized questionnaires on mental health (GHQ-12), perceived stress, and physical activity, while geospatial mapping assessed proximity to parks and green spaces. Results demonstrated that adults with regular access to green spaces reported lower stress scores, improved mood, and higher life satisfaction compared to those with limited access (p<0.01). Frequency and duration of visits were positively associated with mental well-being. The study emphasizes the public health benefits of urban green spaces and supports city planning policies that integrate accessible natural environments to promote population mental health.

Keywords:
Urban Green Spaces, Mental Health, Stress Reduction, Public Health, Urban Planning