AGU Fall Meeting 2009, San Francisco – Leonard Smith presented ‘Quantitative Decision Support Requires Quantitative Use Guidance: Communicating deep-uncertainty and model-noise’ (Contributed talk). David Stainforth presented ‘The Search for Relevant Climate Change Information to Support Adaptation Decision Makers: Lessons from Reductionism, Emergence and the Past’ (Contributed talk). David Stainforth also presented ‘Uncertainty Estimation in Regional Climate Change: Extracting Robust Information from Perturbed Physics Ensembles’ (Contributed talk).