On the morning of July 9 (Thursday), Day 3 of the 6th Climate, Weather and Water Forum (CWWF 2026) at Lecture Theater C, HKUST, the Otto Poon Lecture Series 2026 will take center stage, featuring Prof. Upmanu Lall, Director of the Water Institute at Arizona State University's Julie Ann Wrigley Global Futures Laboratory.
Prof. Lall will introduce a provocative "third pillar" of climate action beyond mitigation and adaptation: Climate Stabilization—the deliberate modification of weather and climate extremes to reduce societal impact. Drawing on the concept of "Weather Jiu-Jitsu," he will explore how strategically placed, small perturbations could exploit atmospheric instabilities to redirect extreme events, borrowing energy from the circulation itself rather than relying on brute-force external forcing.
The lecture will address foundational questions: What physical mechanisms enable atmospheric steering? How can AI and adjoint methods identify intervention points? And how should ethical and governance frameworks evolve as this moves toward operational deployment?
Prof. Lall will outline a research roadmap integrating chaos-informed perturbation theory with AI-enabled adaptive control optimization, envisioning Climate Stabilization as both a rigorous scientific enterprise and a commercially viable endeavor within a decade.
Prof. Lall is an AGU Fellow, AAAS Fellow, and Henry Darcy Medal recipient, named among Reuters' world top 1,000 climate scientists in 2021.

