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  2. Greenhouse gas emissions - Wikipedia

    en.wikipedia.org/wiki/Greenhouse_gas_emissions

    Flaring and venting of natural gas in oil wells is a significant source of greenhouse gas emissions. Its contribution to greenhouse gases has declined by three-quarters in absolute terms since a peak in the 1970s of approximately 110 million metric tons/year, and in 2004 accounted for about 1/2 of one percent of all anthropogenic carbon dioxide ...

  3. Methane emissions - Wikipedia

    en.wikipedia.org/wiki/Methane_emissions

    Greenhouse gas emissionsGreenhouse gases emitted from human activities; Greenhouse Gases Observing Satellite-2 – Earth observation satellite; Global Methane Initiative – International partnership to reduce methane emissions; Fugitive gas emissions – Type of pollution from oil and natural gas drilling and coal mining

  4. Greenhouse gas - Wikipedia

    en.wikipedia.org/wiki/Greenhouse_gas

    This is an accepted version of this page This is the latest accepted revision, reviewed on 24 January 2025. Gas in an atmosphere with certain absorption characteristics This article is about the physical properties of greenhouse gases. For how human activities are adding to greenhouse gases, see Greenhouse gas emissions. Greenhouse gases trap some of the heat that results when sunlight heats ...

  5. Causes of climate change - Wikipedia

    en.wikipedia.org/wiki/Causes_of_climate_change

    The warming from the greenhouse effect has a logarithmic relationship with the concentration of greenhouse gases. This means that every additional fraction of CO 2 and the other greenhouse gases in the atmosphere has a slightly smaller warming effect than the fractions before it as the total concentration increases.

  6. Health and environmental impact of transport - Wikipedia

    en.wikipedia.org/wiki/Health_and_environmental...

    Emissions from ships have much more significant environmental effects; many ships go internationally from port to port and are not seen for weeks, contributing to air and water pollution on its voyage. Emission of greenhouse gases displaces the amount of gas that allows for UV-rays through the ozone.

  7. Air pollution - Wikipedia

    en.wikipedia.org/wiki/Air_pollution

    Schematic drawing, causes and effects of air pollution: (1) greenhouse effect, (2) particulate contamination, (3) increased UV radiation, (4) acid rain, (5) increased ground-level ozone concentration, (6) increased levels of nitrogen oxides. An air pollutant is a material in the air that can have many effects on humans and the ecosystem. [61]

  8. Pollution - Wikipedia

    en.wikipedia.org/wiki/Pollution

    Various definitions of pollution exist, which may or may not recognize certain types, such as noise pollution or greenhouse gases.The United States Environmental Protection Administration defines pollution as "Any substances in water, soil, or air that degrade the natural quality of the environment, offend the senses of sight, taste, or smell, or cause a health hazard.

  9. Greenhouse gas emissions from agriculture - Wikipedia

    en.wikipedia.org/wiki/Greenhouse_gas_emissions...

    For example, the manufacture and use of nitrogen fertilizer contributes around 5% of all global greenhouse gas emissions. [7] Livestock farming is a major source of greenhouse gas emissions. [8] At the same time, livestock farming is affected by climate change. Farm animals' digestive systems can be put into two categories: monogastric and ...