Inventories4 top-level categories
Sector 4: Waste
Waste
+3.1 MtCO2eq(2022)
Smallest sector (3.3% of 94.9 MtCO2e). Methane from solid waste disposal is the primary source. Limited data — most waste goes to open dumpsites without weighbridges. Source: PRIMAP-hist v2.6 HISTCR (3,101 Gg CO2e).
Emissions by Gas Type
CH42.3 Mt CO2eq
N2O0.5 Mt CO2eq
CO20.3 Mt CO2eq
Emissions Trend (2019-2023)
20182.6
20192.7
20202.8
20212.9
20223.1
+19.2% change (2019-2023)
IPCC Category Hierarchy
= Key Category
| Code | Category | MtCO2eq | CO2 | CH4 | N2O | Completeness | Tier |
|---|---|---|---|---|---|---|---|
4.A | Solid Waste Disposal | +4.8 | 0.0 | 4.8 | 0.0 | 85% | Tier 1 |
4.A.1 | Managed Waste Disposal Sites | +2.1 | 0.0 | 2.1 | 0.0 | 90% | Tier 1 |
4.A.2 | Unmanaged Waste Disposal Sites | +2.4 | 0.0 | 2.4 | 0.0 | 80% | Tier 1 |
4.A.3 | Uncategorized Waste Disposal | +0.3 | 0.0 | 0.3 | 0.0 | 70% | Tier 1 |
4.B | Biological Treatment of Solid Waste | +0.3 | 0.0 | 0.2 | 0.1 | 70% | Tier 1 |
4.C | Incineration and Open Burning | +0.5 | 0.4 | 0.0 | 0.1 | 65% | Tier 1 |
4.D | Wastewater Treatment and Discharge | +2.8 | 0.0 | 1.8 | 1.0 | 80% | Tier 1 |
4.D.1 | Domestic Wastewater | +2.0 | 0.0 | 1.3 | 0.7 | 82% | Tier 1 |
4.D.2 | Industrial Wastewater | +0.8 | 0.0 | 0.5 | 0.3 | 75% | Tier 1 |
Key Categories
Categories that contribute significantly to national emissions totals or trends.
4.A
Solid Waste Disposal
+4.8 Mt
Tier 14.A.2
Unmanaged Waste Disposal Sites
+2.4 Mt
Tier 14.D
Wastewater Treatment and Discharge
+2.8 Mt
Tier 1