แก๊สเรือนกระจก GHG มีอะไรบ้าง แหล่งกำเนิดมาจากไหน

GHG

Energy (fossil fuel) and agriculture required for human activities on Earth produce Greenhouse gases (GHG) such as Carbon Dioxide (CO2), Methane (CH4), Nitrous Oxide (N2O) and Fluorinated gases mainly Sulfur Hexafluoride (SF6). These gases tend to absorb infrared radiation emitted by the Earth surface resulting to reduce the atmospheric heat loss into space and keeping Earth warmer.

The source of every GHG type is associated to different sectors resulting of human activities:

    CO2 → Fossil fuel, industrial processes, forestry, land use for agriculture
    CH4 → Agriculture, waste management, energy use, biomass burning
    N2O → Agriculture (such as fertilizer use) and biomass burning
    Fluorinated-gases (SF6) → Industrial processes and refrigeration

 
Fact:

CO2 is the most part of GHG and is increasingly every year.

Energy sector is the highest sector to emit CO2

Asia emission rate is going up every with the advancement in technology

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