NCAR (Nationcal Center for Atmospheric Research) NCDC (National Climate Data Center) GISS (Goddard Institute for Space Studies) IPCC (Intergovernmental Panel on Climate Change) USGCRP (US Global Change Research Program) US-GCRIO (US Global Change Research Information Office) WRI (World Resources Institute) CMDL (Climate Modelling and Diagnostics Laboratory) PIK (Potsdam Institute for Climate Impacts Research) CDIAC (Carbon Dioxide Information Analysis Center)