Keywords: Adolescents (13-19 years), Behaviour Modification (e.g., provision of item/tool, incentives, goal setting), Built Environment (e.g., housing, urban planning), Communicable Disease/Infection, Community, Environmental / Public Health Inspection (e.g., enforcement of legislation, environmental risk assessment), Environmental Health, Grade school aged (5-12 years), Home, Infants (0-1 years), Meta-analysis, Preschool aged (1-4 years), Rural/remote, Social Determinants of Health (e.g., social environments, education, employment and working conditions), Surveillance, Youth Health