![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
![Is the COVID-19 Economic Downturn Affecting Atmospheric CO2? Mauna Loa Data Say, Not Yet « Roy Spencer, PhD Is the COVID-19 Economic Downturn Affecting Atmospheric CO2? Mauna Loa Data Say, Not Yet « Roy Spencer, PhD](https://www.drroyspencer.com/wp-content/uploads/MLO-CO2-data-through-Feb-2020-Fig01.jpg)
Is the COVID-19 Economic Downturn Affecting Atmospheric CO2? Mauna Loa Data Say, Not Yet « Roy Spencer, PhD
Atmospheric CO2 concentration in the last 800 ka obtained by ice cores... | Download Scientific Diagram
![Carbon dioxide now more than 50% higher than pre-industrial levels | National Oceanic and Atmospheric Administration Carbon dioxide now more than 50% higher than pre-industrial levels | National Oceanic and Atmospheric Administration](https://www.noaa.gov/sites/default/files/2022-06/IMAGE-Atmospheric-CO2-data-Mauna-Loa-Observatory-060322-NOAA.png)