Public green infrastructure, the luxury effect, and the 3-30-300 rule in a Mexican semiarid city
▻https://www.frontiersin.org/articles/10.3389/frsc.2026.1869039
Green infrastructure, such as urban tree canopy cover and green spaces, plays a fundamental role in improving environmental comfort and quality of life in semi-arid cities. However, its distribution is often uneven across the urban systems and associated with socioeconomic status, a phenomenon known as the luxury effect. Despite the growing adoption of the 3-30-300 rule as a comprehensive indicator, its application in Mexican cities is virtually nonexistent and remains limited in semi-arid contexts. This study evaluates this rule in the Metropolitan Area of San Luis Potosí by integrating public green spaces with socioeconomic data at the Basic Geostatistical Area level. Green spaces were classified into urban parks, linear parks, neighborhood parks, and local gardens according to their (…)