https://de.wikipedia.org/wiki/Luft

https://commons.wikimedia.org/wiki/File:Atmosphere_gas_proportions.png

https://earth.org/data_visualization/2021-wrap-up-a-graphical-history-of-co2-in-our-atmosphere/

https://www.researchgate.net/figure/1-Global-mean-sea-level-temperature-and-CO2-concentrations-showing-several_fig7_330502155

https://johnenglander.net/single-image-proves-human-caused-global-warming/

https://climate.org/paleoclimatology-examples-of-ecological-impacts-from-prehistoric-climate-change/

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