Welcome to the Global Health Clinic, a podcast where we dissect complex approaches to improving health for all. Today, host Stephen Horn is looking at climate change - the single biggest health threat facing humanity. At the American Geophysical Union meeting in Chicago, Illinois we catch up with environmental engineer, Dr May Sule, Dr Katelyn O’Dell, an atmospheric scientist from George Washington University and community science leader, Carmen George on the cultural significance of water in the Navajo Nation.