Bahrain's Sources of CH4 Emissions
Key Insights
2024 CH4 Emissions Profile
Bahrain's anthropogenic methane emissions totalled around 22.2 megatonnes CO2e in 2024. Fugitive emissions dominated, at about 21.1 megatonnes CO2e and 94.9% of the national total, declining by around 0.06 megatonnes CO2e per year over the ten years to 2024. Waste contributed roughly 1.0 megatonnes CO2e (4.6%) and rose by about 0.03 megatonnes CO2e per year. Fuel combustion, livestock and other sources each remained below 0.1 megatonnes CO2e and increased slightly.
Historic Livestock Emissions
Livestock emissions were around 0.003 megatonnes CO2e through the early twentieth century, then rose gradually from the 1950s. They increased more sharply during the 1980s before broadly stabilising around 0.02-0.03 megatonnes CO2e. Emissions peaked at roughly 0.027 megatonnes CO2e in 2002 and ended at around 0.027 megatonnes CO2e in 2024.
Historic Fugitive Emissions
Fugitive emissions began near zero in the nineteenth century and reached around 0.7 megatonnes CO2e by 1945. They then climbed rapidly to roughly 15.6 megatonnes CO2e by the mid-1960s, before fluctuating and falling to around 12.6 megatonnes CO2e in 1987. They subsequently rose, peaking at about 21.9 megatonnes CO2e in 2014, and ended at around 21.1 megatonnes CO2e in 2024.
Historic Waste Emissions
Waste emissions rose gradually from around 0.009 megatonnes CO2e in 1851 to approximately 0.15 megatonnes CO2e by the late 1970s. Growth then continued steadily, reaching a record high of around 1.0 megatonnes CO2e in 2024.
Historic Fuel Emissions
Fuel combustion emissions remained very small through the first half of the record, falling to around 0.001 megatonnes CO2e in the late 1920s. They rose from roughly 0.005 megatonnes CO2e in the early 1970s, peaking at about 0.066 megatonnes CO2e in 2023, before ending near 0.065 megatonnes CO2e in 2024.
Historic Other Emissions
Other methane emissions were near zero until the late 1960s. They then increased gradually, reaching a peak of roughly 0.03 megatonnes CO2e in 2014, and ended at around 0.028 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