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  2. Carbon dioxide in Earth's atmosphere - Wikipedia

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

    In Earth's atmosphere, carbon dioxide is a trace gas that plays an integral part in the greenhouse effect, carbon cycle, photosynthesis and oceanic carbon cycle. It is one of three main greenhouse gases in the atmosphere of Earth. The concentration of carbon dioxide (CO 2) in the atmosphere reached 427 ppm (0.04%) in 2024. [1]

  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

    In Earth's atmosphere, carbon dioxide is a trace gas that plays an integral part in the greenhouse effect, carbon cycle, photosynthesis and oceanic carbon cycle. It is one of three main greenhouse gases in the atmosphere of Earth. The concentration of carbon dioxide (CO 2) in the atmosphere reached 427 ppm (0.04%) in 2024. [78]

  5. Atmospheric carbon cycle - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_carbon_cycle

    The increased carbon dioxide concentration strengthens the greenhouse effect, causing changes to the global climate. Of the increased amounts of carbon dioxide that are introduced to the atmosphere each year, approximately 80% are from the combustion of fossil fuels and cement production.

  6. Space-based measurements of carbon dioxide - Wikipedia

    en.wikipedia.org/wiki/Space-based_measurements...

    ACE-FTS (Atmospheric Chemistry Experiment-Fourier Transform Spectrometer) onboard SCISAT-1 launched 13 August 2003 measures solar spectra, from which profiles of CO 2 can be calculated. [ 55 ] SOFIE (Solar Occultation for Ice Experiment) is a limb sounder on board the AIM satellite launched 25 April 2007.

  7. Air pollutant concentrations - Wikipedia

    en.wikipedia.org/wiki/Air_pollutant_concentrations

    Air pollutant concentrations expressed as mass per unit volume of atmospheric air (e.g., mg/m 3, μg/m 3, etc.) at sea level will decrease with increasing altitude. The concentration decrease is directly proportional to the pressure decrease with increasing altitude.

  8. WEF speaker warns every time we drink coffee, we are ... - AOL

    www.aol.com/finance/wef-speaker-warns-every-time...

    Soon, it may not even be a choice. WEF speaker warns every time we drink coffee, we are 'putting CO2 into the atmosphere’ — says each ton of Joe emits an alarming 15 to 20 tons of CO2.

  9. Greenhouse gas monitoring - Wikipedia

    en.wikipedia.org/wiki/Greenhouse_gas_monitoring

    The apparatus uses spectrometers to take 24 carbon dioxide concentration measurements per second of Earth's atmosphere. [5] The measurements taken by OCO-2 can be used for global atmospheric models and will allow scientists to locate carbon sources when its data is paired with wind patterns.