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Mauna Loa CO2
Overlay Mauna Loa CO2 with global temperature
- Temperature decreases as CO2 increases
- Actually CO2 decreases as temperature increases
- Clear biological response
- More warmth, more plants, more CO2 is consumed
- As it cools, plants die, decomposing into CO2 and CH4
- Very fast acting
- Responds to temperature changes immediately
- Removing trend bias, the response is relatively linear
- Short term response
Notes:
If you take the same naïve analysis used on the ice cores to support AGW and apply it to the next plot, you would conclude that increasing CO2 decreases global average temperatures.
However, this isn't a fair conclusion. Just as there's no scientific evidence to link increasing CO2 as the cause of increasing temperatures, there's none to suggest increasing CO2 levels causes temperature decreases.
Biology offers the only rational explanation. Intuitively, it makes a lot of sense as well. Biology prefers warmth, higher CO2 accelerates plant growth and when plants die, they release CO2 as they decompose.