New Study: Higher CO2 Levels Do Not Precede Or Control Temperature Increases
More evidence that undermines the CO2-drives-climate narrative.
by Kenneth Richard September 05, 2025, 10:46 AM in Extreme Weather, News and Opinion, Science Reading
A comprehensive correlation analysis (conducted by Grabyan, 2025) utilizing temperature and CO2 data spanning the past 2,000 years reaffirms that CO2 changes lag temperature changes by approximately 150 years throughout the period from 1 to 1850 CE (Common Era). [some emphasis, links added]
This CE lead-lag sequencing – with temperature changes leading and CO2 changes lagging by centuries to millennia – is wholly consistent with the paleo CO2 and temperature proxy record (ice core, stomata, borehole, etc.) spanning the last 20,000 years (Demezhko and Gornostaeva, 2014), 400,000 years (Fischer et al., 1999, Mudelsee et al., 2001, Monnin et al., 2001, Uemura et al., 2018), 66 million years (Frank, 2024), and 420 million years (Koutsoyiannis, 2024).
Notably, changes in CO2 levels can be attributed to temperature changes, not just over the long term (centuries), but also over shorter periods (months, years). (Koutsoyiannis et al., 2023; Humlum et al., 2013)
https://climatechangedispatch.com/study-co2-does-not-precede-control-temperature/