GHG Emissions (Greenhouse gasses) - TX: Difference between revisions

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Greenhouse Gas (GHG) emissions refer to the release of gases into Earth's atmosphere that trap heat and contribute to the greenhouse effect, leading to global warming and climate change.  
Greenhouse Gas (GHG) emissions refer to the release of gasses into Earth's atmosphere that trap heat and contribute to the greenhouse effect, leading to global warming and climate change. Addressing GHG emissions is crucial for mitigating climate change impacts, preserving ecosystems, and ensuring the sustainability of our planet for future generations.


== Types of Greenhouse gases (GHG)==
== Most Comomon Greenhouse gasses (GHG)==
*'''Carbon Dioxide (CO2):'''
*'''Carbon Dioxide (CO2):'''
**Chemical Formula: CO2
**Chemical Formula: CO2
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**Chemical Formula: H2O
**Chemical Formula: H2O
**Primary Source: Natural atmospheric water vapor.
**Primary Source: Natural atmospheric water vapor.
The full list, including the [[GWP_(Global_Warming_Potential)_-_TX|GWP (Global Warming Potential)]], can be [https://ghgprotocol.org/sites/default/files/ghgp/Global-Warming-Potential-Values%20%28Feb%2016%202016%29_1.pdf downloaded here].


== Sources of Greenhouse gases ==
== Sources of Greenhouse gasses ==
#'''Combustion of Fossil Fuels''': This category encompasses the largest source of greenhouse gas emissions, including the burning of fossil fuels for energy production, transportation (e.g., cars, trucks, ships, airplanes), and residential and commercial building heating, cooling, and electricity generation. It releases carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O) into the atmosphere, contributing significantly to global warming and climate change.
#'''Combustion of Fossil Fuels''': This category encompasses the largest source of greenhouse gas emissions, including the burning of fossil fuels for energy production, transportation (e.g., cars, trucks, ships, airplanes), and residential and commercial building heating, cooling, and electricity generation. It releases carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O) into the atmosphere, contributing significantly to global warming and climate change.
#'''Deforestation and Land Use Changes:''' Clearing forests and altering land for agriculture or development release stored carbon in trees and soil, adding to CO2 emissions. Land-use changes and associated activities also contribute to GHG emissions.
#'''Deforestation and Land Use Changes:''' Clearing forests and altering land for agriculture or development release stored carbon in trees and soil, adding to CO2 emissions. Land-use changes and associated activities also contribute to GHG emissions.
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#'''Natural Sources:''' Certain GHGs, like methane and nitrous oxide, also originate from natural sources, including wetlands, oceans, and volcanic activity.
#'''Natural Sources:''' Certain GHGs, like methane and nitrous oxide, also originate from natural sources, including wetlands, oceans, and volcanic activity.


==Net Zero Emissions==
Net Zero Emissions is a target of completely negating the amount of greenhouse gases produced by human activity, to be achieved by:
* '''Reduction''', Directly decreasing GHG emissions at the source through various methods:
**Energy Efficiency: Implementing more efficient technologies in industries, buildings, and transportation to reduce energy consumption.
**Renewable Energy: Transitioning to solar, wind, hydro, and other renewable energy sources to replace fossil fuels.
**Process Improvements: Modifying industrial processes to minimize waste and GHG emissions.
**Waste Reduction: Decreasing waste generation and promoting recycling and composting to reduce methane emissions from landfills.
* '''Offsetting''', Compensating for emissions by investing in projects that reduce GHG emissions elsewhere:
**Reforestation Projects: Planting trees in deforested areas to absorb CO2 from the atmosphere.
**Renewable Energy Projects: Investing in or funding renewable energy projects that displace fossil-fuel-based energy.
**Energy-Efficient Initiatives: Supporting projects that improve energy efficiency in communities or industries.
**Methane Capture: Investing in projects that capture methane from landfills or agricultural activities and use it as a renewable energy source.
*'''Absorption (Carbon Sequestration)''', Capturing and storing atmospheric CO2, either through natural or technological means:
**Afforestation and Reforestation: Planting trees in areas that were not previously forested (afforestation) or were deforested (reforestation), as trees absorb CO2 during photosynthesis.
**Soil Sequestration: Implementing agricultural practices that enhance carbon content in soils, such as no-till farming or using cover crops.
**Blue Carbon: Preserving and restoring coastal and marine ecosystems, like mangroves and seagrasses, which are efficient at storing carbon.
**Carbon Capture and Storage (CCS): Using technology to capture CO2 emissions from industrial processes and storing it underground in geological formations.


== Related==
== Related==
* [[GWP_-_Global_Warming_Potential| GWP (Global Warming Potential)]]
* [[Carbon_Footprint_-_TX|Carbon Footprint]]
* [[LCA_(Life_Cycle_Assessment)|LCA (Life Cycle Assessment)
* [[GWP_(Global_Warming_Potential)_-_TX| GWP (Global Warming Potential)]]
* [[LCA_(Life_Cycle_Assessment)_-_TX|LCA (Life Cycle Assessment)]]
* [https://ecochain.com/blog/eu-law-will-ban-climate-neutral-claims-by-2026/ EU law will ban climate neutral claims by 2026]


[[Category: Glossary of Terms]]
[[Category: Taxonomy]]

Latest revision as of 08:08, 7 June 2024

Greenhouse Gas (GHG) emissions refer to the release of gasses into Earth's atmosphere that trap heat and contribute to the greenhouse effect, leading to global warming and climate change. Addressing GHG emissions is crucial for mitigating climate change impacts, preserving ecosystems, and ensuring the sustainability of our planet for future generations.

Most Comomon Greenhouse gasses (GHG)

  • Carbon Dioxide (CO2):
    • Chemical Formula: CO2
    • Primary Source: Burning of fossil fuels (coal, oil, natural gas), deforestation, land-use changes, and various industrial processes.
  • Methane (CH4):
    • Chemical Formula: CH4
    • Primary Source: Livestock digestion, natural gas production and distribution, rice cultivation, and landfills.
  • Nitrous Oxide (N2O):
    • Chemical Formula: N2O
    • Primary Source: Agricultural activities (use of synthetic fertilizers), industrial processes, and combustion of fossil fuels.
  • Hydrofluorocarbons (HFCs):
    • Chemical Formula: Various HFC compounds
    • Primary Source: Used in refrigeration, air conditioning, and electronics manufacturing.
  • Perfluorocarbons (PFCs):
    • Chemical Formula: Various PFC compounds
    • Primary Source: Produced during aluminum smelting and semiconductor manufacturing.
  • Sulfur Hexafluoride (SF6):
    • Chemical Formula: SF6
    • Primary Source: Used in the electrical industry for high-voltage equipment.
  • Water Vapor (H2O):
    • Chemical Formula: H2O
    • Primary Source: Natural atmospheric water vapor.

The full list, including the GWP (Global Warming Potential), can be downloaded here.

Sources of Greenhouse gasses

  1. Combustion of Fossil Fuels: This category encompasses the largest source of greenhouse gas emissions, including the burning of fossil fuels for energy production, transportation (e.g., cars, trucks, ships, airplanes), and residential and commercial building heating, cooling, and electricity generation. It releases carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O) into the atmosphere, contributing significantly to global warming and climate change.
  2. Deforestation and Land Use Changes: Clearing forests and altering land for agriculture or development release stored carbon in trees and soil, adding to CO2 emissions. Land-use changes and associated activities also contribute to GHG emissions.
  3. Agriculture: Agricultural practices, including livestock digestion, synthetic fertilizer use, and certain land management methods, produce methane and nitrous oxide emissions, making agriculture a substantial contributor to GHG emissions.
  4. Industrial Processes: Some industrial activities release GHGs as byproducts, including CO2 from cement production and synthetic GHGs like HFCs, PFCs, and SF6 from chemical manufacturing processes.
  5. Waste Management: Landfills and waste treatment facilities emit methane as organic waste decomposes anaerobically, and incineration of waste can release CO2 and other pollutants.
  6. Livestock Manure Management: Improper handling and storage of livestock manure can produce methane emissions, which can be mitigated through techniques like methane digesters.
  7. Natural Sources: Certain GHGs, like methane and nitrous oxide, also originate from natural sources, including wetlands, oceans, and volcanic activity.


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