![It's Official: Atmospheric CO2 Just Exceeded 415 ppm For The First Time in Human History : ScienceAlert It's Official: Atmospheric CO2 Just Exceeded 415 ppm For The First Time in Human History : ScienceAlert](https://www.sciencealert.com/images/2019-05/processed/017-carbon-ppm-415-co2_600.jpg)
It's Official: Atmospheric CO2 Just Exceeded 415 ppm For The First Time in Human History : ScienceAlert
Carbon dioxide now more than 50% higher than pre-industrial levels | National Oceanic and Atmospheric Administration
![7. Is the current level of atmospheric CO2 concentration unprecedented in Earth's history? Answer | Royal Society 7. Is the current level of atmospheric CO2 concentration unprecedented in Earth's history? Answer | Royal Society](https://royalsociety.org/-/media/Royal_Society_Content/policy/projects/climate-evidence-causes/fig3-small.jpg?la=en-GB&hash=9CC1BD3267C1DC398631D2F91A05B416)
7. Is the current level of atmospheric CO2 concentration unprecedented in Earth's history? Answer | Royal Society
![If carbon dioxide hits a new high every year, why isn't every year hotter than the last? | NOAA Climate.gov If carbon dioxide hits a new high every year, why isn't every year hotter than the last? | NOAA Climate.gov](https://www.climate.gov/sites/default/files/styles/full_width_620_original_image/public/2022-10/global_temp_vs_carbon_dioxide_1880-2021.png?itok=QF4iS8US)