Preprints
https://doi.org/10.5194/essd-2022-390
https://doi.org/10.5194/essd-2022-390
 
28 Nov 2022
28 Nov 2022
Status: this preprint is currently under review for the journal ESSD.

Quantifying Greenhouse Gas Emissions from Woodfuel used in Households

Alessandro Flammini1,2, Hanif Adzmir3, Kevin Karl1,3, and Francesco Tubiello1 Alessandro Flammini et al.
  • 1Food and Agriculture Organization, Rome, Italy
  • 2United Nations Industrial Development Organization, Vienna, Austria
  • 3Center on Global Energy Policy, Columbia University, New York, USA

Abstract. The combustion of woodfuel for residential use is often not considered to be a source of greenhouse gas (GHG) emissions in households since emissions from woodfuel combustion can be offset by the CO2 absorbed by the growth of the forest as a carbon sink (IPCC, 2006). However, this only applies to wood that is harvested in a renewable way, i.e., at a rate not exceeding the regrowth rate of the forest from which it is harvested (Drigo et al., 2002). This paper estimates the share of GHG emissions attributable to non-renewable woodfuel harvesting for use in residential food activities. It adds to a growing research base estimating GHG emissions from across the entire agri-food value chain, from the manufacture of farm inputs, through food supply chains, and finally to waste disposal (Tubiello et al., 2021). Country-level information is generated from United Nations Statistics Division (UNSD) and International Energy Agency (IEA) data on woodfuel use in households. We find that, in 2019, annual emissions from non-renewable woodfuel use in household food consumption were about 745 million tonnes (Mt CO2eq yr−1), with uncertainty ranging from −20 % to + 22 %, having increased 6 % from 1990. Overall, global trends were a result of counterbalancing effects: the emission increases were largely fuelled from countries in Sub-Saharan Africa, Southern Asia, and Latin America while significant decreases were seen in countries in Eastern Asia and South-eastern Asia. The Food and Agriculture Organisation of the United Nations (FAO) has developed and regularly maintains a database covering GHG emissions from the various components of the agri-food sector, including pre- and post-production activities, by country and world regions. The dataset is developed according to International Panel on Climate Change guidelines (IPCC, 2006), which avoids overlaps across AFOLU and energy components. It relies mainly on UNSD Energy Statistics data, which are used as activity data for the calculation of the GHG emissions (Tubiello et al., 2022). The information used in this work is available as open data with DOI https://doi.org/10.5281/zenodo.7310932 (Flammini et al., 2022).

Alessandro Flammini et al.

Status: open (until 15 Feb 2023)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on essd-2022-390', Anonymous Referee #1, 12 Dec 2022 reply

Alessandro Flammini et al.

Data sets

Country greenhouse gas emissions from the non-renewable fraction of woodfuel used in households Flammini, Alessandro; Adzmir, Hanif; Karl, Kevin; Tubiello, Francesco https://zenodo.org/record/7310933

Alessandro Flammini et al.

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Short summary
This paper estimates the share of GHG emissions attributable to non-renewable woodfuel harvesting for use in residential food consumption activities. It adds to a growing research base estimating GHG emissions from across the entire agri-food value chain and contributes to the development of the FAOSTAT Climate Change domain.