From Spacecraft Fires to Urban Wildfires | A Conversation with Guillermo Rein
The Fire Break | Innovations in WildfireShow Notes
Professor of Fire Science Guillermo Rein of Imperial College London unveils the shocking discovery of "fire waves"—a new phenomenon where urban green spaces can erupt in hundreds of wildfires. He explains the science behind the 2022 London fire wave, how a metric called Vapor Pressure Deficit (VPD) can predict this risk, and why other traditionally "wet" cities like Seattle and New York could be next. In this episode, you'll learn about: The London Fire Wave: The story of the London Fire Brigade's busiest day since World War II.
Vapor Pressure Deficit (VPD): The key meteorological indicator that can predict an urban fire wave after 10 days of high readings.
A Warning for Green Cities: Why traditionally humid cities are now at risk for a new type of wildfire disaster.
The Science of Smoldering: Why the world's largest fires (in peatlands) often have no flames and get little attention.
A Scientist's Duty to Communicate: Why it's critical for scientists to develop the "muscle" of communication to translate complex research for the public.
The Long Road from Science to Impact: How a scientific discovery can take years of persistence to become policy or new technology.
Our Primal Fascination: A philosophical dive into why humans are so mesmerized by flames.
More from The Fire Break | Innovations in Wildfire
Battalion Chief Nick Loveless, a 30-year veteran of the U.S. Wildland Fire Service, breaks down the dangerous reality of the 2026 fire season. With the "non-existent" winter leaving fine fuels standing vertical instead of compacted by snow, the fuel loading is at an all-time high. Nick discusses the increasing complexity of the Wildland-Urban Interface (WUI), the "digital vs. analog" communication struggle, and why the next generation of firefighters are "digital natives" who operate heavy nozzles like they’re playing a video game. In this episode, you'll learn about: The "Standing Grass" Threat: How a lack of winter snow prevents the natural compaction of fuels, allowing fire to travel faster and burn hotter.
Disaster law expert Kendall Jarvis joins the show to discuss the holistic legal framework required to survive a catastrophe. Moving beyond "siloed" law practices, Kendall breaks down the trajectory of a survivor's journey—from the initial shock of a FEMA denial to the complex litigation of underinsurance and landlord-tenant disputes. Discover why the "Legal Go-Bag" is just as important as your toothbrush and how to navigate the predatory world of post-disaster construction. In this episode, you'll learn about: The FEMA Denial Loop: Why most survivors are initially rejected for Individual Assistance (IA) and how to gather the documentation to win an appeal.
Emergency management expert Jennifer Sanderson joins the show to discuss the vital shift from government reliance to individual and community empowerment. With a career spanning the military, FBI, and FEMA, Jennifer explains the "Equity Gap" in disaster response and shares lessons learned from the tarmac of New Orleans to the administrative centers of national COVID-19 relief. Discover why wildfires are the most unpredictable of natural disasters and why your physical safety must always supersede your emotional attachment to "stuff." In this episode, you'll learn about: The Katrina Catalyst: How seeing the devastation of New Orleans firsthand shaped Jennifer’s mission to serve something larger than herself.
Danilla Sands, CEO of United Disaster Relief of Northern California (UDRNC), discusses the vital role of local, non-governmental organizations in surviving and recovering from major disasters. Drawing from her experience in the 2017 Mendocino wildfires, Danilla explains the "blue skies" period of preparation, the internal mechanics of the life-saving Watch Duty app, and why community collaboration is the only way to survive the first 72 hours of a crisis. In this episode, you'll learn about: The FEMA Gap: Why it takes days for federal help to arrive and how local centers provide immediate "red tape-free" assistance.
Don Hallett, founder of Wildfire Innovations, explains how his "Rainstream" technology is answering the prayers of fire-threatened communities by creating synthetic rain on demand. Utilizing a mobile, telescopic mast that reaches up to 100 feet in the air, Don’t system can broadcast up to 1,000 gallons of water per minute above the tree canopy. By leveraging the wind—traditionally a fire’s greatest ally—Don is able to pre-wet enormous areas and create a "wall of water" that chokes out advancing flames before they reach the doorstep. In this episode, you'll learn about: The Rainstream System: How a mobile trailer can deploy a 100-foot mast in under two minutes to provide 18 acres of coverage.