Velásquez Ciro, Daniela, Julio Eduardo Cañón Barriga, and Isabel Cristina Hoyos Rincón. 2019. “Estimation of the Marginal Effect of Urban Vegetation on the Removal of PM2.5 in Medellín, Colombia”. Iberoamerican Environment & Sustainability Journal 2 (2): 61-70. https://doi.org/10.46380/rias.v2i2.50.