Explore a comprehensive lecture from the 2010 AGU Fall Meeting's Frontiers of Geophysics series, delivered by Julia Slingo DSc, OBE, Chief Scientist of the United Kingdom Met Office. Delve into the increasing vulnerability of society to natural hazards and its implications for geophysics research. Examine case studies including the 2010 volcanic ash crisis, Pakistan floods, and Cumbria floods. Gain insights into risk assessment, uncertainty propagation, and the importance of seamless science in bridging gaps between different geophysical disciplines. Learn about advancements in observing and modeling natural phenomena, including volcanic ash dispersion and probabilistic forecasting techniques. Understand the challenges posed by an uncertain world and the shifting landscape of natural hazards in the context of geophysical research and societal preparedness.