The European Project for Ice Coring in Antarctica (EPICA) Dome C ice core record reconstructs atmospheric carbon dioxide levels for the last 800,000 years.
Notes on verification
Confirmed by peer-reviewed publication (Lüthi et al. 2008, Nature) and archived paleoclimatology data at NOAA NCEI. Widely cited and consistent across independent sources.
Sources
- NASA SVS | Dataset list (svs.gsfc.nasa.gov)
- https://www.ncei.noaa.gov/access/paleo-search/study/6091 (ncei.noaa.gov)
- https://www.nature.com/articles/nature06949 (nature.com)