Adam and Katie return to coverage of London Climate Action Week with a lively, optimistic episode that dives into the intersection of climate, health and technology. They set the scene with World Cup vibes before Adam shares his on‑the‑ground experience judging the Health in Climate hackathon — a fast, furious weekend of teams building working AI‑enabled prototypes to tackle real health risks from climate events.
Their guests are key figures behind the hackathon: Seema Wadhwa (former lead for sustainability at a major US health system and Founder of Climate in Health) and Chethan Sarabu (a clinician and tech partner from Cornell Tech). Together they explain what a hackathon actually is, why bringing climate scientists, clinicians, engineers, comms and product builders into an intense, time‑bounded room produces finished, deployable tools, and how AI is changing the game. Rather than replacing people, AI accelerates what’s possible — making it easier for non‑tech experts to participate and for teams to ship working solutions in a weekend. But with speed comes responsibility: energy efficiency of AI models, data privacy (especially for health data) and ethical deployment are front of mind.
Highlights from the hackathon showcase the breadth and impact of the work. The winning team’s tool addressed firefighters’ long‑term health risks by combining drone‑delivered regional air‑quality sensing with personalised exposure profiles and alerts — a solution that impressed judges and actuaries alike and immediately attracted interest from potential implementers. Other standouts included a resilience tool for healthcare supply chains in flooding events and a post‑disaster travel planner for essential supplies like baby formula. The conversation emphasizes that hackathons don’t just create prototypes; they create networks, incubator opportunities and direct pathways to adoption by corporate and healthcare partners.
Seema and Chethan reflect on their journeys into climate and health — from civil engineering and landscape architecture to frontline pediatrics — and on the strategic value of focussing health in climate action. Framing climate impacts through health (extreme heat, respiratory illness from wildfire smoke, pregnancy risks) makes the issue personal and depoliticizes the conversation, engaging clinicians, patients and the public in new ways. They also spell out practical next steps: AI literacy bootcamps, cross‑disciplinary capacity building and plans to expand the hackathon model globally, culminating in New York during Climate Week.
Adam and Katie weave in broader reporting: how extreme heat disrupted sporting events and daily life, the need to rethink stadiums and infrastructure, and the urgency of translating technical innovation into policy and practice. This episode is for anyone curious about where rapid innovation meets frontline impact — clinicians, technologists, policymakers and organizers who want to turn ideas into deployed solutions.
Find out more at https://healthinclimate.org/
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