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🇳🇬 Nigeria's Yearly Greenhouse Gas Emissions in CO₂ Equivalent

Nigeria's Yearly Greenhouse Gas Emissions in CO₂ Equivalent

✨ Key Insights

Early Emissions and Oil Discovery

Nigeria's greenhouse gas emissions have evolved significantly since 1851. Initially, emissions were minimal, primarily from land use and agriculture. The discovery of oil in Oloibiri in 1956 marked a turning point, leading to a substantial increase in CO₂ emissions from fossil fuels. The oil industry became a cornerstone of Nigeria's economy, driving up emissions due to extraction, refining, and consumption of petroleum products.

Post-War Industrialization and Emissions

The end of the Biafran War in 1970 spurred reconstruction and economic recovery, resulting in increased industrial activity and energy consumption. This period saw a rise in CO₂ emissions as infrastructure was rebuilt and oil production resumed. The establishment of the Nigerian National Petroleum Corporation in 1977 further accelerated oil exploration and production, contributing to higher emissions.

Economic Policies and Emission Trends

The Structural Adjustment Program in 1986 aimed to diversify Nigeria's economy but also led to increased industrialization and urbanization, boosting CO₂ emissions. The return to civilian rule in 1999 brought political stability and economic growth, further increasing emissions due to infrastructure development and energy sector expansion. However, initiatives like the 2005 gas flaring reduction efforts helped mitigate some emissions.

Recent Developments and Emission Reductions

In recent years, Nigeria has faced challenges and opportunities in managing emissions. The 2010 Agricultural Transformation Agenda increased N₂O emissions due to fertilizer use, while the 2016 economic recession and the 2020 COVID-19 pandemic temporarily reduced CO₂ emissions by slowing economic activities. These events underscore the complex interplay between economic growth and emission trends in Nigeria.

Background

Greenhouse gas emissions from human activities are the main drivers of human-induced warming. In the scientific literature, human-induced emissions are often referred to as anthropogenic emissions.

  • CO2 Fossil Fuels and Industry (CO2 FFI)
  • CO2 Land-Use, Land-Use Change and Forestry (CO2 LULUCF)
  • Methane (CH4)
  • Moderate: above 2.5 tonnes
  • Nitrous oxide (N2O)
  • Fluorinated gases (F-gases)

Emissions from all different gases are expressed in CO2-equivalent units to make it possible to compare the relative emissions from these different gases. CO2-equivalents are calculated using the global warming potentials of the respective gases, in this case using a 100-year time horizon.

Wikipedia: Global Warming Potential

Total Historic Share

Emissions from all different gases are expressed in CO2-equivalent units to make it possible to compare the relative emissions from these different gases. CO2-equivalents are calculated using the global warming potentials of the respective gases, in this case using a 100-year time horizon.

CO2 From Fossil Fuels and Industry

The sources are mostly fossil-fuel combustion emissions from coal, oil, and gas, as well as emissions from industrial processes such as cement production. Cement also absorbs CO2 out of the atmosphere through carbonation, which reduces emissions by about 0.8 Gt per year and is included here.

CO2 From Land-Use, Land-Use Change, and Forestry

The main driver of these emissions is deforestation, which includes logging and forest degradation, as well as other land-use change activities. The emissions also take into account the absorption of CO2 by processes that remove CO2 from the atmosphere, such as afforestation and reforestation. It is the net effect that is indicated here.

Methane (CH4)

Methane emissions are caused by human activities such as rearing livestock, agricultural practices, and fugitive fossil fuel emissions.

Nitrous Oxide (N2O)

Common sources of these emissions are fossil fuel emissions and the agricultural use of synthetic fertilizer and manure.

Fluorinated Gases (F-gases)

Fluorinated gases are a group of gases defined by UNFCCC: hydrofluorocarbons (HFCs), perfluorocarbons (PFCs), sulfur hexafluoride (SF6), and nitrogen trifluoride (NF3). Fluorinated gases are also known as halogenated gases.

Wikipedia: Greenhouse Gas Emissions
IPCC: Annual Report 6, 5.2.1 5.2 Historical Trends, Variability and Budgets of CO2, CH4 and N2O

Units and Measures

CO2-equivalent emissions are expressed in the total weight in megatonnes per year. 1 Megatonne is equal to 1 million tonnes.

Wikipedia: Megatonne
Wikipedia: Global warming potential

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About the Data

The last available year in all the emission datasets is 2023. CO2 emissions data is from the Global Carbon Project. It contains national CO2 emissions from fossil sources and land-use change. Emissions from CH4, N2O and F-gases come from the PRIMAP-Hist dataset. It is a rich dataset that combines several published sources to create a historical emissions time series for various greenhouse gases.

The Key Insights paragraph was generated using a large language model (LLM) using a structured approach to improve the accuracy. This included separating the context generation from the interpretation and narrative.

Data Sources

Global Carbon Budget 2024 Global Carbon Budget
Update cycle: yearlyDelay: ~ 10 months after the end of the year. Current year values are estimated and published in November.Credits: Friedlingstein et al., 2024, ESSD. Friedlingstein, P., O'Sullivan, M., Jones, M. W., Andrew, R. M., Hauck, J., Landschützer, P., Le Quéré, C., Li, H., Luijkx, I. T., Olsen, A., Peters, G. P., Peters, W., Pongratz, J., Schwingshackl, C., Sitch, S., Canadell, J. G., Ciais, P., Jackson, R. B., Alin, S. R., Arneth, A., Arora, V., Bates, N. R., Becker, M., Bellouin, N., Berghoff, C. F., Bittig, H. C., Bopp, L., Cadule, P., Campbell, K., Chamberlain, M. A., Chandra, N., Chevallier, F., Chini, L. P., Colligan, T., Decayeux, J., Djeutchouang, L., Dou, X., Duran Rojas, C., Enyo, K., Evans, W., Fay, A., Feely, R. A., Ford, D. J., Foster, A., Gasser, T., Gehlen, M., Gkritzalis, T., Grassi, G., Gregor, L., Gruber, N., Gürses, Ö., Harris, I., Hefner, M., Heinke, J., Hurtt, G. C., Iida, Y., Ilyina, T., Jacobson, A. R., Jain, A., Jarníková, T., Jersild, A., Jiang, F., Jin, Z., Kato, E., Keeling, R. F., Klein Goldewijk, K., Knauer, J., Korsbakken, J. I., Lauvset, S. K., Lefèvre, N., Liu, Z., Liu, J., Ma, L., Maksyutov, S., Marland, G., Mayot, N., McGuire, P., Metzl, N., Monacci, N. M., Morgan, E. J., Nakaoka, S.-I., Neill, C., Niwa, Y., Nützel, T., Olivier, L., Ono, T., Palmer, P. I., Pierrot, D., Qin, Z., Resplandy, L., Roobaert, A., Rosan, T. M., Rödenbeck, C., Schwinger, J., Smallman, T. L., Smith, S., Sospedra-Alfonso, R., Steinhoff, T., Sun, Q., Sutton, A. J., Séférian, R., Takao, S., Tatebe, H., Tian, H., Tilbrook, B., Torres, O., Tourigny, E., Tsujino, H., Tubiello, F., van der Werf, G., Wanninkhof, R., Wang, X., Yang, D., Yang, X., Yu, Z., Yuan, W., Yue, X., Zaehle, S., Zeng, N., and Zeng, J.: Global Carbon Budget 2024, Earth Syst. Sci. Data Discuss. [preprint], https://doi.org/10.5194/essd-2024-519, in review, 2024.

PRIMAP-hist The PRIMAP-hist national historical emissions time series (1750-2023)
Update cycle: Every few monthsDelay: Less than 1 yearCredits: Gütschow, Johannes; Busch, Daniel; Pflüger, Mika (2024): The PRIMAP-hist national historical emissions time series (1750-2023) v2.6. Zenodo.