<![CDATA[Green behavior and green exposure are increasingly recognized as important links between environmental sustainability and public health, yet existing evidence remains fragmented across urban green spaces, green consumption, workplace practices, tourism, and pesticide use. This systematic review synthesized observational evidence on the relationships between green behavior, green exposure, and health outcomes. Following PRISMA 2020 guidelines, Scopus was searched for English-language journal articles published between 2015 and 2025. Of 118 records identified, 18 observational studies met the eligibility criteria and were analyzed using narrative-thematic synthesis. The most consistent evidence was found for exposure to and use of urban green spaces, which were associated with physical activity, walking, reduced sedentary behavior, mental health, health-related quality of life, and self-reported health. In contrast, green consumption, workplace practices, tourism, and pesticide-related behaviors were more often linked indirectly to health through health awareness, perceived benefits, motivation, or reduced environmental exposure risks. These findings indicate that green behavior and green exposure may support health through behavioral, psychological, social, and environmental pathways. However, because the evidence is predominantly observational and heterogeneous, the findings should be interpreted as associations rather than causal effects. Public health and urban planning strategies should therefore prioritize equitable access to high-quality green spaces while distinguishing direct health evidence from sustainability-related behavioral outcomes.]]>
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