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The animated history of Co2 levels is stunning : https://gml.noaa.gov/ccgg/trends/history.html https://gml.noaa.gov/ccgg/trends/history.html
by jgord 2y ago
The animated history of Co2 levels is stunning :
https://gml.noaa.gov/ccgg/trends/history.html https://gml.noaa.gov/ccgg/trends/history.html
- walrus01 2y agoFor data going further back, we have deep antarctic ice sheet, ice core samples of atmospheric co2: https://www.bas.ac.uk/data/our-data/publication/ice-cores-and-climate-change/ https://www.bas.ac.uk/data/our-data/publication/ice-cores-an... https://climate.mit.edu/ask-mit/how-do-we-know-how-much-co2-was-atmosphere-hundreds-years-ago https://climate.mit.edu/ask-mit/how-do-we-know-how-much-co2-... At about 1:50 in the video linked above, when it zooms out, notice the citations to the ice cores.