Neonates can be exposed to environmental pollutants through various pathways: - Prenatal Exposure: Pollutants can cross the placenta and affect fetal development. - Breastfeeding: Contaminants in breast milk can be ingested by the infant. - Inhalation: Airborne pollutants can be inhaled by the infant. - Ingestion: Pollutants can be ingested through contaminated food and water.