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  2. Carbon dioxide in Earth's atmosphere - Wikipedia

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

    The current global average concentration of carbon dioxide (CO 2) in the atmosphere is 421 ppm (0.04%) as of May 2022. [ 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. [ 2][ 1][ 3] The increase is due to human activity.

  3. List of countries by carbon dioxide emissions - Wikipedia

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

    The US, China and Russia have cumulatively contributed the greatest amounts of CO 2 since 1850. [ 3 ] This is a list of sovereign states and territories by carbon dioxide emissions[ n 1 ] due to certain forms of human activity, based on the EDGAR database created by European Commission and Netherlands Environmental Assessment Agency. The ...

  4. List of countries by greenhouse gas emissions - Wikipedia

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

    Considering GHG per capita emissions in 2022, China's levels (10.95) are almost 60 percent those of the United States (17.90) and less than a sixth of those of Qatar (67.38 – the country with the highest emissions of GHG per capita in 2022). [ 11][ 12] China, the United States, India, the EU27, Russia and Brazil were the six world largest GHG ...

  5. Greenhouse gas emissions - Wikipedia

    en.wikipedia.org/wiki/Greenhouse_gas_emissions

    Deforestation is a major source of greenhouse gas emissions. A study shows annual carbon emissions (or carbon loss) from tropical deforestation have doubled during the last two decades and continue to increase. (0.97 ±0.16 PgC per year in 2001–2005 to 1.99 ±0.13 PgC per year in 2015–2019) [137] [136]

  6. List of locations and entities by greenhouse gas emissions

    en.wikipedia.org/wiki/List_of_locations_and...

    Lower half focuses on Europe and Asia [1] This article is a list of locations and entities by greenhouse gas emissions, i.e. the greenhouse gas emissions from companies, activities, and countries on Earth which cause climate change. The relevant greenhouse gases are mainly: Carbon dioxide, Methane, Nitrous oxide and the fluorinated gases [2 ...

  7. List of countries by greenhouse gas emissions per capita

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

    In 2022, China's GHG per capita emissions levels (10.95) are almost 60 percent those of the United States (17.90) and less than a sixth of those of Qatar (67.38 - the country with the highest emissions of GHG per capita in 2022). [ 9 ][ 7 ] Measures of territorial-based emissions, also known as production-based emissions, do not account for ...

  8. Greenhouse gas - Wikipedia

    en.wikipedia.org/wiki/Greenhouse_gas

    The five most abundant greenhouse gases in Earth's atmosphere, listed in decreasing order of average global mole fraction, are: [ 5 ][ 6 ] water vapor, carbon dioxide, methane, nitrous oxide, ozone. Other greenhouse gases of concern include chlorofluorocarbons (CFCs and HCFCs ), hydrofluorocarbons (HFCs), perfluorocarbons, SF6, and NF3.

  9. List of countries by carbon dioxide emissions per capita

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

    The US, China and Russia have cumulatively contributed the greatest amounts of CO 2 since 1850. [ 3] 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 1970, 1990, 2005 ...

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