The New 400ppm World: CO2 Measurements at Mauna Loa Continue to Climb - Union of Concerned Scientists
Atmospheric Carbon Dioxide Record from Mauna Loa, Hawaii, USA
Instituto Português do Mar e da Atmosfera
Carbon dioxide peak for 2022 more than 50% higher than pre-industrial levels
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 (
CO2 Levels: Current & Historic Atmospheric Carbon Dioxide / Global Temperature Graph & Widget
They've Watched Our Climate Changing For Decades From High Atop Mauna Loa - Honolulu Civil Beat
CO2 and Temperature Data
CO2 levels measured in Hawaii hit milestone not seen in human history
Carbon dioxide levels breach another threshold at Mauna Loa | National Oceanic and Atmospheric Administration
Atmospheric Carbon Continues to Climb — Applied Economics Clinic
Atmospheric carbon dioxide passing 'gloomy' milestone | Official blog of the Met Office news team
Monthly mean atmospheric carbon dioxide concentrations (ppm by volume)... | Download Scientific Diagram
Measuring CO2 levels from the volcano at Mauna Loa