India's Sources of CH4 Emissions
Key Insights
2024 CH4 Emissions Profile
In 2024, India's anthropogenic methane emissions totalled around 856 megatonnes CO2e. Livestock was the largest source at roughly 435 megatonnes CO2e (50.8%), rising by about 2.3 megatonnes CO2e per year over the ten years to 2024. Crop emissions were around 144 (16.8%), waste 126 (14.7%), fugitive emissions 97 (11.3%), fuel 47 (5.5%), and other emissions 8.3 (1.0%); all were rising. India's methane emissions were dominated by livestock, with crop production and waste the next-largest sources.
Historic Livestock Emissions
Livestock emissions began at around 116 megatonnes CO2e in 1851 and rose slowly to roughly 145 by the late 1920s. They then increased rapidly to around 371 in 1995, followed by slower continued growth. Emissions reached their record high of about 435 megatonnes CO2e in 2024.
Historic Fugitive Emissions
Fugitive emissions were near zero in 1851 and remained small until the mid-twentieth century, reaching around 10 megatonnes CO2e in 1950. They then rose steadily and accelerated over the ten years to 2024, reaching a record high of roughly 97 megatonnes CO2e in 2024.
Historic Waste Emissions
Waste emissions started at around 24 megatonnes CO2e in 1851, rose modestly into the 1890s, and then edged down to roughly 27 by 1920. Growth resumed thereafter, accelerating from the mid-1960s. Emissions reached a record high of around 126 megatonnes CO2e in 2024.
Historic Crop Emissions
Crop emissions began at roughly 46 megatonnes CO2e in 1851 and remained near 55-59 through the late 1920s. They rose sharply to around 110 by the late 1960s, then grew more gradually, with a dip around 2002. Emissions reached about 144 megatonnes CO2e in 2024, their record high.
Historic Fuel Emissions
Fuel emissions began at around 17 megatonnes CO2e in 1851 and rose to nearly 29 in the early 1940s. They declined to around 22 by the mid-1960s, then resumed a gradual rise. Emissions reached their record high of roughly 47 megatonnes CO2e in 2024.
Historic Other Emissions
Other emissions were near zero until around 1970, when they rose to roughly 1.2 megatonnes CO2e and remained low through 2010. They jumped to nearly 5 in 2011, then increased further to a record high of around 8.3 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