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what is greenhouse gases​

Sagot :

Greenhouse gases (GHGs) are gases in the earth's atmosphere that trap heat and contribute to global warming and climate change.

The main greenhouse gases are:

  • Carbon dioxide (CO2): The primary greenhouse gas emitted through human activities like burning fossil fuels. It accounts for about 80% of U.S. greenhouse gas emissions.
  • Methane (CH4): Emitted during the production and transport of fossil fuels, livestock farming, and the decay of organic waste. It has a higher global warming potential than CO2.
  • Nitrous oxide (N2O): Emitted through agricultural, land use, and industrial activities. It has a high global warming potential.
  • Fluorinated gases: Synthetic gases like hydrofluorocarbons (HFCs), perfluorocarbons (PFCs), sulfur hexafluoride (SF6), and nitrogen trifluoride (NF3) that are emitted from various industrial processes. They are potent greenhouse gases with high global warming potentials.