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  2. Carbon dioxide in Earth's atmosphere - Wikipedia

    en.wikipedia.org/wiki/Carbon_dioxide_in_Earth's...

    Thus carbon dioxide has gradually accumulated in the atmosphere and, as of May 2022, its concentration is 50% above pre-industrial levels. [ 3 ] The extraction and burning of fossil fuels, releasing carbon that has been underground for many millions of years, has increased the atmospheric concentration of CO 2 .

  3. Keeling Curve - Wikipedia

    en.wikipedia.org/wiki/Keeling_Curve

    Atmospheric carbon dioxide (CO 2) concentrations from 1958 to 2023. The Keeling Curve is a graph of the annual variation and overall accumulation of carbon dioxide in the Earth's atmosphere based on continuous measurements taken at the Mauna Loa Observatory on the island of Hawaii from 1958 to the present day.

  4. Carbon dioxide - Wikipedia

    en.wikipedia.org/wiki/Carbon_dioxide

    Carbon dioxide emissions from human activities are the primary cause of ocean acidification, with atmospheric carbon dioxide (CO 2) levels exceeding 422 ppm (as of 2024). [92] CO 2 from the atmosphere is absorbed by the oceans.

  5. What Earth was like last time CO2 levels were so crazily high

    www.aol.com/earth-last-time-co2-levels-090000507...

    Climate 101 is a Mashable series that answers provoking and salient questions about Earth’s warming climate. The last time CO2 levels were as high as today, ocean waters drowned the lands where ...

  6. The rapid rise continues, relentlessly. The Scripps Institution of Oceanography and the National Oceanic and Atmospheric Administration (NOAA) announced Tuesday that the average carbon dioxide ...

  7. CO2 levels in atmosphere reach record-breaking level - AOL

    www.aol.com/news/2014-05-02-co2-levels-in...

    An alarming new report from the Scripps Institution of Oceanography shows a record-breaking amount of CO2 in our atmosphere. According to NBC, the new tests show the level of carbon dioxide, a ...

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