Ecuador's Sources of N2O Emissions
Key Insights
2024 N2O Emissions Profile
In 2024, Ecuador's N2O emissions totalled around 4.4 megatonnes CO2e. Agriculture dominated, at around 3.5 megatonnes CO2e or 78.8%, declining by about 0.034 megatonnes CO2e per year over the ten years to 2024. Other sources contributed 0.385 megatonnes CO2e (8.7%), energy 0.336 (7.6%), waste 0.206 (4.6%), and industry 0.015 (0.3%). Other, waste and industry increased, while energy edged down.
Historic Agriculture Emissions
Agricultural emissions began at around 0.02 megatonnes CO2e in the early 1850s and rose slowly until around 1940. Growth then accelerated, reaching over 4.4 megatonnes CO2e by 2010 after peaking at roughly 4.5 in 2001. Emissions subsequently declined to around 3.5 megatonnes CO2e in 2024.
Historic Energy Emissions
Energy emissions were around 0.002 megatonnes CO2e in the early 1850s and grew gradually to about 0.19 by the late 1980s. They then fluctuated, falling to around 0.16 in 1990 and peaking near 0.39 in 2017. They ended at approximately 0.34 megatonnes CO2e in 2024.
Historic Industry Emissions
Industrial emissions were effectively zero until the early twentieth century and became measurable only after the 1930s. They rose gradually from around 0.001 megatonnes CO2e in the early 1950s to about 0.007 in the early 1980s, reaching their peak of around 0.015 megatonnes CO2e in 2024.
Historic Waste Emissions
Waste emissions started at around 0.004 megatonnes CO2e in the early 1850s. They increased gradually to roughly 0.08 by the mid-1980s, then continued rising more strongly. Emissions reached their peak, around 0.206 megatonnes CO2e, in 2024.
Historic Other Emissions
Other emissions began at around 0.02 megatonnes CO2e in the early 1850s and rose slowly through 1970. They increased more rapidly to around 0.18 by the early 1980s, before continuing upward. Emissions peaked at roughly 0.385 megatonnes CO2e in 2023 and remained around that level in 2024.
Background
The chart shows a national breakdown by source of the yearly nitrous oxide (N2O) emissions from human activities and processes, expressed as weight in megatonnes (Mt). Human-induced emissions are the main driver of the increasing atmospheric nitrous oxide that is warming our planet. The sources of human nitrous oxide emissions are
- Agriculture
- Energy
- Industry
- Waste
- Other
Agriculture
Emissions related to agriculture are mainly from the use of synthetic fertilizers and manure management.
Synthetic fertilizer, used for agricultural processes, contains a lot of nitrogen. That nitrogen in the soil reacts and causes considerable N2O emissions. The use of excess fertilizer, meaning more fertilizer than the plants can use to grow, causes even higher relative emissions. Applying the right amount of fertilizer at the right time can reduce N2O emissions. There are many technical solutions to reduce emissions while keeping, or even increasing, agricultural yields.
When manure is left on the field or otherwise managed in dry processes, it emits considerable amounts of nitrous oxide. Manure can be managed by wet processes, which reduces nitrous oxide emissions but increases methane emissions. Some technical solutions focus on modifying the animal feed to reduce the nitrogen in the manure, thereby reducing nitrous oxide emissions.
Energy, Industry, Waste, and Other
All non-agricultural categories together have much lower emissions than agricultural emissions alone.
N2O emissions related to energy are almost all from the combustion of fossil fuels. For example, the combustion of fossil fuels in power plants, cars, and airplanes not only causes CO2 emissions but also emits nitrous oxide (N2O). Any advances to reducing fossil fuel dependency will thus also reduce nitrous oxide emissions.
Most industry-related emissions are from the chemical industry for producing fertilizer, nylon, and similar products. Technologies are available to reduce emissions in these processes.
Nitrous oxide emissions from waste come from, for example, wastewater treatment and landfills.
Wikipedia: Nitrous oxideIPCC: AR6, 5.16 Anthropogenic nitrous oxide (N2O) emissions
Units and Measures
N2O 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 N2O 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