Guest opinion: Dr. Tim Ball
Intergovernmental Panel on Climate Change (IPCC) computer model projections are unfailingly wrong. Projections for three scenarios, High, Medium and Low, are consistently high compared to the actual temperature. There is something fundamentally wrong with their work and claims. They should not be the basis of any policy, public or private. The following statement from Assessment Report (AR4) is untenable given the projection results.
There is considerable confidence that climate models provide credible quantitative estimates of future climate change, particularly at continental scales and above. This confidence comes from the foundation of the models in accepted physical principles and from their ability to reproduce observed features of current climate and past climate changes. Confidence in model estimates is higher for some climate variables (e.g., temperature) than for others (e.g., precipitation). Over several decades of development, models have consistently provided a robust and unambiguous picture of…
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