Category Archives: GCM

Carbon Budgets

It started as a nice simple idea: There is a finite amount of Carbon that humanity can burn before the planet warms above 2C. This idea was based on  AR5  Earth Systems Models (ESMs) ‘showing’ that the relationship between global … Continue reading

Posted in climate science, GCM, IPCC, Science | Tagged , | 15 Comments

Hadcrut4 Update for June 2016

The recent surge in temperature anomalies due to the El Nino event in late 2015 seems to be over. Values have fallen towards  ‘normal’ in June. One recent claim is that the record anomaly in May exceeding 1 deg.C is in line … Continue reading

Posted in AGW, Climate Change, climate science, GCM, UK Met Office | Tagged , | 47 Comments

Climate Models compared to Hadcrut4

Estimates of future climate change are based on the mean ‘projection’ across an ensemble of models. This is based on an assumption that each model is equally likely, but is that really true?  Surely it is far more likely that just one of the models … Continue reading

Posted in AGW, Climate Change, climate science, GCM, Institiutions, IPCC, NOAA, Science | Tagged , | 23 Comments