Climate change mitigation aspects of increasing industrial wood assortments of hardwood species in Hungary

Király, Éva Ilona és Börcsök, Zoltán és Borovics, Attila (2024) Climate change mitigation aspects of increasing industrial wood assortments of hardwood species in Hungary. In: 11TH HARDWOOD CONFERENCE PROCEEDINGS : Sopron, Hungary, 30-31 May 2024. Hardwood conference proceedings . Soproni Egyetem Kiadó, Sopron, pp. 71-77. ISBN 9789633345184

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Absztrakt (kivonat)

The use of timber can foster climate change mitigation through long-term carbon storage, and through substitution of fossil products and fossil fuels. Inclusion of drought tolerant hardwood species in the production of high-quality long-lived wood products gains an increasing importance with the ongoing climate change. In our study we assessed the climate change mitigation potential of increasing industrial wood assortments of hardwood species in Hungary. For the estimation we used the harvested wood product module of the Forest Industry Carbon Model (FICM-HWP) which is based on the methodological guidance of the Intergovernmental Panel on Climate Change (IPCC). The model combines the IPCC wood product model and the IPCC waste model. Both models are used in the Hungarian Greenhouse Gas Inventory as well. The FICM-HWP model is a substantially newly developed version of the two IPCC models as it is supplemented with a waste-route selection and a recycling module. It also contains a product and energy substitution tool to evaluate the magnitude of avoided emissions through substitution effects. The model is able to estimate carbon storage of wood products, end-of-life emissions and avoided emissions, thus, contributing to informed decision making and circular economy goals. In this study we assumed increased industrial wood assortments from hardwood species, increased product half-lives and upscaled recycling. This way we could estimate the climate change mitigation aspects of a developed and intensified Hungarian wood industry which relies on hardwood species and generates long-term carbon storage, at the same time enabling emission reductions in other sectors through product substitution. According to our results increasing the industrial processing of currently underutilized hardwood species can lead to a six times higher carbon sequestration by 2050 as compared to the Business as Usual (BAU) level. While increasing product lifetime and improving waste management together with increasing industrial hardwood assortments leads to an eleven times higher carbon sequestration in the HWP pool as compared to the BAU level.

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