This podcast is the second of a three-part series on climate change and the health of the pediatric population, including describing anthropogenic climate change, why children are more vulnerable to environmental changes, and primary, secondary, and tertiary causal pathways of climate change on human health. This podcast was developed by Marc Beaudin, a third-year medical student from the University of Alberta who did a post-doctoral fellowship in environmental engineering, Stephanie Unrau, a third-year medical student from the University of Alberta, with Dr. Melanie Lewis, Pediatrician and Professor at the University of Alberta.