GeoHealth Frontlines

What happens when a river rises 37.5 feet in just three hours, and communities may have only minutes to escape? In our fourth episode, we welcome leading flood expert Dr. Nick Fang to examine the devastating July 2025 Texas Hill Country flood. He explains how extreme rainfall, steep terrain, and nighttime conditions created a perfect storm; how radar, modeling, and real-time data turn forecasts in...

In our third episode, we welcome Dr. Chris Tessum from the University of Illinois Urbana-Champaign, a leader in air quality modeling at the intersection of atmospheric science, environmental justice, and public health. Tune in as he shares his journey into GeoHealth, how a graduate class project grew into InMAP, one of the most widely used reduced-complexity air quality models. Also how his work r...

In our second episode, we welcome Professor Tracey Holloway from the University of Wisconsin–Madison, a leader in air quality science at the intersection of satellites, policy, and public health. Tune in as she shares her journey into GeoHealth, how satellite observations can help us understand air pollution at scales relevant to people and decision-makers, and lessons from leading NASA’s Health a...

We’re thrilled to introduce GeoHealth Frontlines , a new podcast from the AGU GeoHealth Section. Hosted by the AGU GeoHealth communication and outreach committee, the series spotlights conversations with scientists, policymakers, and practitioners tackling the world’s most pressing environment-health challenges. In our first episode, we welcome Professor Daniel Tong from George Mason University —...