evidence: "Data Page: Carbon dioxide concentrations in the atmosphere", part of the following publication: Hannah Ritchie, Pablo Rosado and Veronika Samborska (2024) - "Climate Change". Data adapted from NOAA Global Monitoring Laboratory, United States Environmental Protection Agency. Retrieved from https://ourworldindata.org/grapher/co2-long-term-concentration [online resource] [...] NOAA Global Monitoring Laboratory - Trends in Atmospheric Carbon Dioxide (2024); EPA based on various sources (2022) – with major processing by Our World in Data NOAA Global Monitoring Laboratory - Trends in Atmospheric Carbon Dioxide (2024); EPA based on various sources (2022) – with major processing by Our World in Data. "Carbon dioxide concentrations in the atmosphere" [dataset]. NOAA Global Monitoring Laboratory, "Trends in Atmospheric Carbon Dioxide"; United States Environmental Protection Agency, "Climate Change Indicators: Atmospheric Concentrations of Greenhouse Gases" [original data]. Retrieved October 9, 2024 from https://ourworldindata.org/grapher/co2-long-term-concentration