The agriculture, forestry, and other land use sector, widely known as AFOLU, plays a crucial role in global carbon emissions. AFOLU is one of the largest sources of greenhouse gases, particularly carbon dioxide (CO₂), methane (CH₄), and nitrous oxide (N₂O). At the same time, this sector also holds a great potential for climate change mitigation through carbon sequestration in forests, peatlands, and agricultural soils. This article discusses how AFOLU contributes to the carbon footprint, its impacts, and possible mitigation strategies.
What Is the Carbon Footprint of AFOLU?
A carbon footprint is the total amount of greenhouse gas emissions generated by human activities, including those in the AFOLU sector. In agriculture, emissions mainly come from fertilizer use, livestock waste, and land management. In forestry, deforestation and forest degradation release stored carbon into the atmosphere. Meanwhile, land use change in peatlands for plantations or mining activities significantly increases carbon emissions due to the release of soil carbon.
- Agriculture and Carbon Emissions
- Forestry and Deforestation
- Land Use and Peatlands
- Mitigation of AFOLU Carbon Footprint
1. Agriculture and Carbon Emissions
Agriculture contributes to greenhouse gas emissions in various ways. For example, rice production generates methane through anaerobic fermentation in flooded paddies. The livestock sector is another major contributor, as ruminant animals produce methane during digestion. Furthermore, excessive use of synthetic fertilizers releases nitrous oxide, a greenhouse gas with a much higher global warming potential than CO₂.
2. Forestry and Deforestation
Forests play a dual role in the carbon cycle. Healthy forests act as carbon sinks by absorbing and storing CO₂ in trees and soils. However, when forests are logged or burned, the stored carbon is released back into the atmosphere. Deforestation in tropical regions, including Indonesia, is a major source of global emissions. Beyond climate impacts, deforestation also reduces biodiversity and increases the risk of environmental disasters such as floods and landslides.
3. Land Use and Peatlands
Peatlands are among the largest carbon reservoirs in the world. Unfortunately, draining peatlands for palm oil plantations, infrastructure development, or other land uses causes massive carbon release. Peatland and forest fires worsen the problem by producing large-scale haze pollution that affects health and disrupts regional economies. Thus, sustainable land-use management is critical to reducing the AFOLU carbon footprint.
4. Mitigation of AFOLU Carbon Footprint
Reducing emissions in AFOLU requires integrated strategies. First, sustainable agricultural practices such as organic fertilizers, crop rotation, and precision farming can help reduce emissions. Second, preventing deforestation and enhancing reforestation programs are essential to maintaining carbon sinks. Third, protecting peatlands and promoting responsible land management are crucial steps. Additionally, nature based solutions such as agroforestry, which integrates trees into farming systems, can further enhance carbon sequestration while supporting local livelihoods.
Lastly, carbon footprint from agriculture, forestry, and other land use is a central issue in the global fight against climate change. AFOLU is both a major source of emissions and a key opportunity for mitigation. With sustainable policies, technological innovation, and community participation, the sector can contribute significantly to achieving net zero emissions. For countries like Indonesia, with its rich biodiversity and vast tropical forests, managing AFOLU effectively is not only an environmental responsibility but also a global climate imperative.
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Author : Indah Nurharuni
Editor : Sabilla Reza
References:
Smith, P., Bustamante, M., Ahammad, H., et al. (2014). Agriculture, Forestry and Other Land Use (AFOLU). In: Climate Change 2014: Mitigation of Climate Change. Contribution of Working Group III to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC). Cambridge University Press.
Carlson, K. M., Curran, L. M., Asner, G. P., Pittman, A. M., Trigg, S. N., & Adeney, J. M. (2013). Carbon emissions from forest conversion by Kalimantan oil palm plantations. Nature Climate Change, 3(3), 283–287. https://doi.org/10.1038/nclimate1702
Hooijer, A., Page, S., Canadell, J. G., Silvius, M., Kwadijk, J., Wösten, H., & Jauhiainen, J. (2010). Current and future CO₂ emissions from drained peatlands in Southeast Asia. Biogeosciences, 7(5), 1505–1514. https://doi.org/10.5194/bg-7-1505-2010