I wonder if Mr Eschenbach realizes that the effectiveness of America's entire nuclear arsenal relies on the computer models he so casually dismisses. Nuclear weapons testing is virtual, and has been since 1992.
Contrary to the article, climate models don't assume a relationship between CO2 and global warming; rather, they reflect what we know about the physical properties of CO2 in the atmosphere, as born out in laboratory experiments and field measurements. The relationship with global warming emerges from the models, not the other way around.
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I wonder if Mr Eschenbach realizes that the effectiveness of America's entire nuclear arsenal relies on the computer models he so casually dismisses. Nuclear weapons testing is virtual, and has been since 1992.
Contrary to the article, climate models don't assume a relationship between CO2 and global warming; rather, they reflect what we know about the physical properties of CO2 in the atmosphere, as born out in laboratory experiments and field measurements. The relationship with global warming emerges from the models, not the other way around.