IPCC AR5 (2014) presents 4 emission pathways which are at the heart of the climate change debate. There are a range of other topics that are also debated – notably, the atmospheric and ocean physics effects from GHG concentrations assumed. Those effects are further attenuated by factors that modeled by IPCC such as a moreContinue reading “Dr. Judith Curry on Estimating Climate Risk Using Models that Fail Backtests”