The Mauna Loa Observatory is an atmospheric baseline station on Mauna Loa, on the island of Hawaii.
Scientists take continuous measurements of CO2 from Mauna Loa and more than 70 sites around the world.
These high-quality data sets provide vital environmental intelligence for understanding global weather and climate.
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07.04.2022 / Axios / Earth’s CO2 levels to hit alarming milestone
07.06.2021 / CIRES / NOAA: Carbon Dioxide Peaks Near 420 ppm at Mauna Loa Observatory