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You are mentioning these geological time scales such as 15,000 years ago, but those figures representing delta are derived from a 42 year period.

What is the delta if you account for the temperatures relating to any significant change in human consumption as opposed to this period which is the only one that coincides with fuel efficiency standards and increased environmental enforcement?

Selecting a very small time period that does not include the industrial revolution, large scale construction (New deal public works, highways) operations, world wars, nuclear energy, adoption of mechanized logistics & transportation, any time at all with unrestricted emissions, etc is nearly useless for analysis.

Why should the delta during 1979-2021 be representative of the overall climatology when the dataset appears to be barely large enough to even begin making any analysis?




That is the length of the satellite record.




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