The author notes, with examples, that ‘it is difficult to reconcile this latest research with many other lines of inquiry to determine past temperatures.’ Using a single computer model to ‘fill in gaps’ in data has its own drawbacks, as mentioned below.
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Modern warming differs from the gradual rise in temperature seen in the past 10,000 years. That’s the conclusion of a paper just published in the journal Nature, says David Whitehouse.
Reconstructing the temperature timeline back to 24,000 years ago – the so-called Last Glacial Maximum – a team of researchers show that recent warming is unusual.
Knowledge of past climate is important to put our present climate into context, allowing us to see what climatic variations can take place in the absence of contemporary amounts of greenhouse gasses.
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Utopia, you are standing in it! 
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