This case study is available in English, and provides interactive exercises that will orient the user to important topics in pediatric environmental health. Within the context of a clinical scenario, important information regarding the diagnosis and management of environmental illness will be presented. Additionally, emphasis will be placed on the public health aspects of pediatric environmental illness. The cases are intended for providers involved in the care of children as well as public health practitioners and other health care providers with an interest in environmental health and medicine. The length of time needed to complete this case study is approximately 45 minutes, but may vary per user.