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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. Spanish language in science and technology - Wikipedia

    en.wikipedia.org/wiki/Spanish_language_in...

    [A] [2] One estimate puts the percentage of Spanish language publications in natural sciences and technology as 0.5% of the world total, [B] a low number since Spanish is often considered to rank second or third among languages in various other metrics and estimates. [4] In the humanities a similar estimate yields 2.81%. [4]

  4. Carbon dioxide in Earth's atmosphere - Wikipedia

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

    Carbon dioxide removal (CDR) is a process in which carbon dioxide (CO 2) is removed from the atmosphere by deliberate human activities and durably stored in geological, terrestrial, or ocean reservoirs, or in products. [98]: 2221 This process is also known as carbon removal, greenhouse gas removal or negative emissions.

  5. Carbon cycle - Wikipedia

    en.wikipedia.org/wiki/Carbon_cycle

    Human activities over the past two centuries have increased the amount of carbon in the atmosphere by nearly 50% as of year 2020, mainly in the form of carbon dioxide, both by modifying ecosystems' ability to extract carbon dioxide from the atmosphere and by emitting it directly, e.g., by burning fossil fuels and manufacturing concrete. [3] [7]

  6. 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.

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. Orca (carbon capture plant) - Wikipedia

    en.wikipedia.org/wiki/Orca_(carbon_capture_plant)

    The Orca carbon capture plant is a facility that uses direct air capture to remove carbon dioxide from the atmosphere (The name, "Orca" comes from the Icelandic word, "orka" which means "energy". [1] It was constructed by Climeworks and is joint work with Carbfix, an academic-industrial partnership that has developed a novel approach to capture ...

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