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  2. Atmospheric carbon cycle - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_carbon_cycle

    Although individual CO 2 molecules have a short residence time in the atmosphere, it takes an extremely long time for carbon dioxide levels to sink after sudden rises, due to e.g. volcanic eruptions or human activity [17] and among the many long-lasting greenhouse gases, it is the most important because it makes up the largest fraction of the ...

  3. Carbon sink - Wikipedia

    en.wikipedia.org/wiki/Carbon_sink

    Since the 1850s, there are more carbon sources than sinks and therefore the carbon dioxide in Earth's atmosphere is rising. [1] A carbon sink is a natural or artificial carbon sequestration process that "removes a greenhouse gas, an aerosol or a precursor of a greenhouse gas from the atmosphere".

  4. Carbon cycle - Wikipedia

    en.wikipedia.org/wiki/Carbon_cycle

    Carbon dioxide is also produced and released during the calcination of limestone for clinker production. [115] Clinker is an industrial precursor of cement . As of 2020 [update] , about 450 gigatons of fossil carbon have been extracted in total; an amount approaching the carbon contained in all of Earth's living terrestrial biomass. [ 114 ]

  5. CO2 increasing 10 times faster than any point in last 50,000 ...

    www.aol.com/co2-increasing-10-times-faster...

    Scientists in the US and at the University of St Andrews studied ancient Antarctic ice to make the discovery.

  6. Carbon dioxide levels rising ‘faster than ever’ amid ...

    www.aol.com/carbon-dioxide-levels-rising-faster...

    Levels of planet-heating carbon dioxide gas in the atmosphere are rising “faster than ever,” according to a report published Thursday. That spells serious disruption for the climate in decades ...

  7. Carbonate–silicate cycle - Wikipedia

    en.wikipedia.org/wiki/Carbonate–silicate_cycle

    The carbonate-silicate cycle is the primary control on carbon dioxide levels over long timescales. [3] It can be seen as a branch of the carbon cycle, which also includes the organic carbon cycle, in which biological processes convert carbon dioxide and water into organic matter and oxygen via photosynthesis. [5]

  8. Arctic ocean may absorb less CO2 than projected due to ... - AOL

    www.aol.com/news/planet-warms-arctic-ocean...

    The Arctic Ocean's ability to absorb carbon dioxide from the atmosphere appears to be waning due to melting permafrost and worsening coastal erosion.

  9. Carbon dioxide in Earth's atmosphere - Wikipedia

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

    Carbon dioxide is often mentioned in the context of its increased influence as a greenhouse gas since the pre-industrial (1750) era. In 2013, the increase in CO 2 was estimated to be responsible for 1.82 W m −2 of the 2.63 W m −2 change in radiative forcing on Earth (about 70%). [48]