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Something occurs to me: isn't it true that only Europe and America have been keeping accurate temperature data for the last century or so? How does anyone chart average global temperatures for the last century when, if I am correct, there are only two sets of numbers two work with?
RE: Way out of proportion
If I read the graphs on NASA's site correctly, the whole swing for the US since the late 1800s is about 2 degrees C. If some of the numbers were off .15 degrees, that's a 7.5% margin of error in 2 degrees.
The article you linked to is a bit ridiculous as well. The author complains that the US is only 1.8% of the planet, and the error should only sway the results by that much. I'm confident that there have been more accurate, consistent temperature readings in the US of the last 150 years than any other place in the world. I am also confident that there are many vast areas of this world that there have been NO historical data for until the advent of satellite temperature recording.
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Way out of proportion
it certainly begs the question: how much of what we hear about Global Warming is hype, and how much is substance?
Does it really beg that question?
The NASA data had very tiny errors. The largest were around 0.15 degrees. The corrected data is virtually indistinguishable from the uncorrected data. The anti-global-warming crowd really has blown it way out of proportion, though.
Here's another article.
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