Tag Archives: GCM

A challenge for climate models

Should we bet the future of the world’s economy based on AR5 projections of future climate change? The earth’s climate has been dominated by a series of glaciations for the last 3 million years. For the last 800,000 years  brief … Continue reading →

Posted in Africa, AGW, Climate Change, climate science, GCM, Ice Ages, Oceans, Science | Tagged , , , , | 23 Comments

Radiative Forcing of CO2

This post examines how radiative forcing depends on CO2 concentrations in the atmosphere. In CO2 greenhouse demystified, we calculated the effective emission height where “thermal” photons escape to space . This height depends on the lapse rate temperature and defines … Continue reading →

Posted in AGW, Climate Change, climate science, GCM, Physics, Science | Tagged , , , | 24 Comments

Global exaggeration ?

I rather suspect that climate scientists have consciously or sub-consciously tended to exaggerate future scenarios in order to boost AGW in the public consciousness as the biggest single threat to mankind. On balance, it now seems far more likely that … Continue reading →

Posted in AGW, Climate Change, climate science, GCM, Science | Tagged , , , | 1 Comment