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  2. Carbon dioxide in Earth's atmosphere - Wikipedia

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

    The concentration of carbon dioxide (CO 2) in the atmosphere reached 427 ppm (0.0427%) on a molar basis in 2024, representing 3341 gigatonnes of CO 2. [1] This is an increase of 50% since the start of the Industrial Revolution , up from 280 ppm during the 10,000 years prior to the mid-18th century.

  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. List of countries by carbon dioxide emissions - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    Accordingly, a proportion of the CO 2 produced and reported in Asia and Africa is for the production of goods consumed in Europe and North America. [14] Greenhouse gases (GHG) – primarily carbon dioxide but also others, including methane and chlorofluorocarbons – trap heat in the atmosphere, leading to global warming.

  5. 15 Countries With The Highest Average Carbon Dioxide ... - AOL

    www.aol.com/news/15-countries-highest-average...

    In this article, we will take a look at the 15 Countries With The Highest Average Carbon Dioxide Emissions Per Person. You can skip our detailed discussion on the problem of climate change and go ...

  6. Integrated Carbon Observation System - Wikipedia

    en.wikipedia.org/wiki/Integrated_Carbon...

    The Integrated Carbon Observation System (ICOS) is a research infrastructure to quantify the greenhouse gas balance of Europe and adjacent regions. In November 2015 it received the international legal status of ERIC ( European Research Infrastructure Consortium ) by decision of the European Commission. [ 1 ]

  7. Air pollutant concentrations - Wikipedia

    en.wikipedia.org/wiki/Air_pollutant_concentrations

    As an example, a measured NO x concentration of 45 ppmv in a dry gas having 5 volume % O 2 is: 45 × ( 20.9 - 3 ) ÷ ( 20.9 - 5 ) = 50.7 ppmv of NO x. when corrected to a dry gas having a specified reference O 2 content of 3 volume %. Note: The measured gas concentration C m must first be corrected to a dry basis before using the above equation.

  8. How shipping more US natural gas to Europe helped fuel CO2 ...

    www.aol.com/shipping-more-us-natural-gas...

    (Reuters) -Carbon dioxide emissions from U.S. liquefied natural gas facilities have jumped to 18 million tons per year, up 81% since 2019, adding a volume of greenhouse gas to the atmosphere ...

  9. List of countries by carbon dioxide emissions per capita

    en.wikipedia.org/wiki/List_of_countries_by...

    This is a list of sovereign states and territories by per capita carbon dioxide emissions [n 1] due to certain forms of human activity, based on the EDGAR database created by European Commission. The following table lists the annual per capita CO 2 emissions estimates (in kilotons of CO 2 per year) for the year 2023, as well as the change from ...

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