![Global carbon dioxide growth in 2018 reached 4th highest on record | National Oceanic and Atmospheric Administration Global carbon dioxide growth in 2018 reached 4th highest on record | National Oceanic and Atmospheric Administration](https://www.noaa.gov/sites/default/files/legacy/image/2019/Jun/co2_data_mlo.jpg)
Global carbon dioxide growth in 2018 reached 4th highest on record | National Oceanic and Atmospheric Administration
Monthly mean atmospheric carbon dioxide concentrations (ppm by volume)... | Download Scientific Diagram
![The New 400ppm World: CO2 Measurements at Mauna Loa Continue to Climb - Union of Concerned Scientists The New 400ppm World: CO2 Measurements at Mauna Loa Continue to Climb - Union of Concerned Scientists](https://blog.ucsusa.org/wp-content/uploads/2014/03/mlo_two_years.png)
The New 400ppm World: CO2 Measurements at Mauna Loa Continue to Climb - Union of Concerned Scientists
![On May 11, global concentration of carbon dioxide in the atmosphere, as measured by sensors at the Mauna Loa observatory in Hawaii, was measured to have crossed the 415 parts per million ( On May 11, global concentration of carbon dioxide in the atmosphere, as measured by sensors at the Mauna Loa observatory in Hawaii, was measured to have crossed the 415 parts per million (](https://vajiramandravi.s3.us-east-1.amazonaws.com/media/2019/5/24/15/36/48/Mauna_Loa_-_Final.jpg)
On May 11, global concentration of carbon dioxide in the atmosphere, as measured by sensors at the Mauna Loa observatory in Hawaii, was measured to have crossed the 415 parts per million (
![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 monitoring continues despite Mauna Loa volcanic disruption: AEMET (Spain) | World Meteorological Organization Atmospheric CO2 monitoring continues despite Mauna Loa volcanic disruption: AEMET (Spain) | World Meteorological Organization](https://ane4bf-datap1.s3-eu-west-1.amazonaws.com/wmocms/s3fs-public/styles/featured_media_detail/public/news/featured_media/Screenshot_2022-12-22_at_10.00.42.png?JalqwWyI1lfz7BEJtp1kAkyDHHFPDIAT&itok=5JzZVH6H)
Atmospheric CO2 monitoring continues despite Mauna Loa volcanic disruption: AEMET (Spain) | World Meteorological Organization
![Time series of atmospheric CO 2 at Mauna Loa (ppmv) and surface ocean... | Download Scientific Diagram Time series of atmospheric CO 2 at Mauna Loa (ppmv) and surface ocean... | Download Scientific Diagram](https://www.researchgate.net/publication/253285582/figure/fig1/AS:298103140831244@1448084735655/Time-series-of-atmospheric-CO-2-at-Mauna-Loa-ppmv-and-surface-ocean-pH-and-pCO-2-matm.png)