Jiawen Ren and Dahe Qin
Engineering Research Institute, Chinese Academy of Sciences
Observed Changes in the Cryosphere in Recent Decades

William Collins
National Center for Atmospheric Research
Radiative Forcing by Well-Mixed Greenhouse Gases: Comparison of IPCC Models

Eystein Jansen
Bjerknes Centre for Climate Research and Dept. of Earth Science, Univ. of Bergen
Paleoclimate, Climate Change and Climate Predictability: Emerging Challenges and Issues of Relevance for the Next IPCC Assessment

Keith Dixon
NOAA Geophysical Fluid Dynamics Laboratory
Views and News from the IPCC Climate Model Simulations Workshop

Martin Manning
IPCC Working Group I Technical Support Unit
The IPCC Workshop on Risk and Uncertainty