Forcing and feedback in the climate-carbon system. Presented at the Joint IPCC-WCRP-IGBP workshop on new science directions and activities relevant to the IPCC AR5, Honolulu, March 2009.
Evaluating modelled and observed trends and variability in ocean heat content. Presented at the International Conference on Earth System Modelling, Hamburg, September 2003
A new method for diagnosing radiative forcing and climate sensitivity. Presented at EGU General Assembly, Nice, April 2004