Experts from Spain discuss childhood cancer and using environmental health histories with their patients and families. Presenters are from Pediatric Environmental Health Specialty Unit (PEHSU-Murcia), Environment and Human Health Laboratory (EH2-Lab)(IMIB “Pascual Parrilla”), and Virgen de la Arrixaca University Clinical Hospital, in Murcia, Spain. They include: Francisco Díaz Martínez, MSc; Juan Antonio Ortega Garcia, MD PhD; Isabel Martinez Romera, MD PhD; and Alba Mateu, MD.