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MrWowWow

(423 posts)
2. And Now, in Gigatons
Thu Nov 14, 2024, 07:55 AM
Nov 14

Here's a summary of global greenhouse gas emissions in gigatons (Gt) of CO₂-equivalent for 2019 and estimated 2024 data, broken down by gas:

1. Total Global Greenhouse Gas Emissions

2019: Approximately 52 Gt CO₂-equivalent

2024 (estimated): Expected to be around 54-56 Gt CO₂-equivalent, subject to annual variations and climate policies.



2. Breakdown by Gas (2019 figures with estimated 2024 trends):

Carbon Dioxide (CO₂

2019: ~38 Gt CO₂

2024 (estimated): Around 39-40 Gt CO₂, with the overall trajectory showing slight increases due to industrial and transportation emissions, though impacted by renewable energy adoption.


Methane (CH₄

2019: ~9-10 Gt CO₂-equivalent

2024 (estimated): Likely around 10-11 Gt CO₂-equivalent, influenced by efforts to reduce emissions from the energy sector and agriculture.


Nitrous Oxide (N₂O)

2019: ~3 Gt CO₂-equivalent

2024 (estimated): Expected to increase modestly to 3-3.5 Gt CO₂-equivalent.


Fluorinated Gases (HFCs, PFCs, SF₆, etc.)

2019: ~1-2 Gt CO₂-equivalent

2024 (estimated): Likely to remain around 1.5-2.5 Gt CO₂-equivalent, with gradual reductions in some regions due to phasedown policies.





Note: These figures represent emissions in terms of CO₂-equivalent, reflecting the global warming potential (GWP) of each gas over a specified timeframe. Carbon dioxide remains the largest contributor, with methane and nitrous oxide making significant impacts despite their lower volumes due to their higher GWP. Fluorinated gases, though low in volume, also contribute disproportionately due to their extremely high GWP.

-ChatGPT

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