Kenya's Sources of CH4 Emissions
Key Insights
2024 CH4 Emissions Profile
Kenya's methane emissions totalled around 53.8 megatonnes CO2e in 2024 and were strongly dominated by livestock: 39.6 megatonnes CO2e, or 73.6%, rising by about 1.3 megatonnes CO2e per year over the ten years to 2024. Fugitive emissions contributed 7.4 megatonnes CO2e (13.7%), fuel 3.5 (6.6%), waste 3.0 (5.5%), and crop production 0.3 (0.5%); all were increasing, led proportionally by livestock and waste.
Historic Livestock Emissions
Livestock emissions began at roughly 2.4 megatonnes CO2e in 1851 and rose gradually to around 4.7 by 1939. Growth then accelerated, reaching 16.5 in 2002 before rising sharply thereafter. Emissions peaked at approximately 41.3 megatonnes CO2e in 2020, then eased to around 39.6 megatonnes CO2e in 2024.
Historic Fugitive Emissions
Fugitive emissions were near zero through the nineteenth century, reaching only around 0.01 megatonnes CO2e by 1901. They then rose steadily through the twentieth century, from roughly 0.6 in 1935 to 2.9 in 1984, and continued upward. They reached their record high of around 7.4 megatonnes CO2e in 2024.
Historic Waste Emissions
Waste emissions started at about 0.3 megatonnes CO2e in 1851 and changed little until the early twentieth century. They rose to around 0.6 by the mid-1940s, then declined modestly through 1970. Growth resumed thereafter and accelerated after 2009, reaching a peak of about 3.0 megatonnes CO2e in 2024.
Historic Crop Emissions
Crop emissions began near zero, at roughly 0.003 megatonnes CO2e in 1851, and remained small for much of the record. They rose substantially during the later twentieth century, peaking at around 0.6 megatonnes CO2e in 1998, before falling back. They ended at approximately 0.3 megatonnes CO2e in 2024.
Historic Fuel Emissions
Fuel-combustion emissions began at around 0.1 megatonnes CO2e in 1851 and rose gradually, despite a slight decline around the early twentieth century. Growth strengthened from the mid-1930s, climbing from roughly 0.4 to 2.2 megatonnes CO2e by 2000. Emissions continued upward to a peak of around 3.5 megatonnes CO2e in 2024.
Background
The chart shows a national breakdown by source of the yearly methane (CH4) emissions from human activities expressed as weight in megatonnes (Mt). In the scientific literature, these are referred to as anthropogenic emissions. Human-induced methane emissions increase atmospheric methane, which is warming the Earth. The sources of human methane emissions are
- Livestock
- Fugitive emissions from the fossil fuel industry
- Crop production
- Fossil fuel combustion
- Waste management
- Other processes
Methane's Global Warming Potential
Methane has a much higher Global Warming Potential (GWP) than CO2. However, Methane emissions in the atmosphere decay with an average lifetime of about 12 years so its long term warming-effect is much less compared to CO2 which stays on average for hundreds of years in the atmosphere. Meaning: Methane's short term warming effect is much higher, but long term warming effect is much lower. A reduction in emissions can cause a rapid decline in its atmospheric levels.
Livestock
Livestock emits methane that is produced in the animals' digestive system. Most methane is emitted from the mouth during rumination. A much smaller amount of methane is emitted from the manure. Depending on how the manure is managed, i.e., wet or dry, more methane is emitted. Wet management leads to higher methane emissions than dry management. However, dry management also emits nitrous oxide (N2O), which is another potent greenhouse gas.
Fugitive emissions from fossil fuel industry
Fugitive methane emissions are from the intentional and accidental release of methane, which happens during the extraction, storage, and transportation processes in the fossil fuel industry. Examples are methane leaks during oil and gas handling, storage, transport, incomplete combustion, and many more. Also, methane is deliberately ventilated from mines during the extraction of coal.
Methane is a primary part of “gas”, also called “natural gas” or “fossil gas”. Natural gas is used, for example, for heating and electricity generation, whereby it emits CO2 during the combustion process. However, when natural gas leaks (unburned) it contains a lot of fugitive methane emissions.
Waste
Waste from landfills and wastewater produces a lot of methane when biodegradable material breaks down without oxygen.
Crop production
Crop production emissions are largely from rice cultivation, which generates large amounts of methane during plant growth. These emissions are from flooded paddies, which create the swamp-like environment of rice fields. There are agricultural techniques to reduce emissions significantly, like periodic drainage and aeration. Rice is the main staple for about half the world's population, and its emissions are a significant part of total human methane emissions.
Fuel combustion
Fuel combustion emissions are mostly from the incomplete combustion of fossil fuels. As mentioned before, natural gas consists largely of methane, and when the combustion does not happen completely, methane enters the atmosphere.
Other
Other human-induced methane emissions include industrial processes and product uses.
Wikipedia: Anthropogenic Sources of Atmospheric MethaneIPCC: AR6, 5.2.2.2 Anthropogenic CH4 emissions
Units and Measures
CH4 emissions are expressed in the total weight in megatonnes per year. 1 Megatonne is equal to 1 million tonnes.
Wikipedia: MegatonneWikipedia: Global warming potential
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National methane emissions data through 2024 is from the PRIMAP-hist dataset, which combines several published sources into a historical emissions time series.
The Key Insights paragraph was created using a large language model (LLM) in combination with our data, historic events, and a structured approach for best accuracy by separating the context generation from the interpretation and narrative.
Data Sources
PRIMAP-hist The PRIMAP-hist national historical emissions time series (1750-2024)
Update cycle: Every few monthsDelay: Less than 1 yearCredits: Gütschow, J.; Busch, D.; Pflüger, M. (2025): The PRIMAP-hist national historical emissions time series v2.7 (1750-2024). zenodo. doi:10.5281/zenodo.17090760