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Urban greening refers to the expansion and careful management of vegetation in cities through parks, street trees, green roofs, and restored waterways. Research suggests that these interventions can improve public health and urban resilience, but their benefits depend on thoughtful planning. First, access to green spaces is associated with lower stress levels and increased physical activity, which can reduce the long-term burden of chronic disease. Second, vegetation helps regulate local climate by providing shade and cooling through evapotranspiration, thereby mitigating the urban heat island effect during increasingly frequent heatwaves. Third, green infrastructure can support stormwater management by absorbing rainfall and slowing runoff, which reduces pressure on drainage systems and lowers flood risk. However, planners must also consider maintenance costs, water use in dry regions, and unequal distribution of green amenities across neighborhoods. When implemented equitably and supported by long-term funding, urban greening can serve as a practical strategy for healthier, safer, and more livable cities.