[
Argalis, P. P., & Vegere, K. (2021). Perspective biomethane potential and its utilization in the transport sector in the current situation of Latvia. Sustainability, 13(14), 1–18. DOI: 10.3390/su13147827.10.3390/su13147827
]Search in Google Scholar
[
Bhatnagar, N., Ryan, D., Murphy, R., & Enright, A. M. (2022). A comprehensive review of green policy, anaerobic digestion of animal manure and chicken litter feedstock potential – Global and Irish perspective. Renewable and Sustainable Energy Reviews, 154, 1–15. DOI: 10.1016/j. rser.2021.111884.10.1016/j.rser.2021.111884
]Search in Google Scholar
[
Bumbiere, K., Gancone, A., Pubule, J., Kirsanovs, V., Vasarevičius, S., & Blumberga, D. (2020). Ranking of bioresources for biogas production. Environmental and Climate Technologies, 24(1), 368–377. DOI: 10.2478/rtuect-2020-0021.10.2478/rtuect-2020-0021
]Search in Google Scholar
[
Bumbiere, K., Pubule, J., & Blumberga, D. (2021). What will be the future of biogas sector? Environmental and Climate Technologies, 25(1), 295–305. DOI: 10.2478/rtuect-2021-0021. Cabinet of Ministers of the Republic of Latvia. (2015).10.2478/rtuect-2021-0021
]Search in Google Scholar
[
Cabinet Regulation No. 834 Requirements Regarding the Protection of Water, Soil and Air from Pollution Caused by Agricultural Activity. Retrieved December 21, 2021, from https://likumi.lv/ta/en/en/id/271376-requirements-regarding-the-protection-of-water-soil-and-air-from-pollution-caused-by-agricultural-activity.
]Search in Google Scholar
[
Cabinet of Ministers of the Republic of Latvia. (2020). Latvia’s National Energy and Climate Plan 2021–2030. Retrieved December 21, 2021, from https://ec.europa.eu/energy/sites/ener/files/documents/lv_final_necp_main_en.pdf.
]Search in Google Scholar
[
CSB. (2021). LAL090. Number of livestock at the end of the year. Retrieved December 8, 2021, from https://stat.gov.lv/lv/statistikas-temas/noz/lauksaimn/2823-lopkopibasprodukcija-un-lauksaimniecibas-dzivniekuskaits?themeCode=LA.
]Search in Google Scholar
[
European Commission. (2019). Communication from the Commission to the European Parliament, the Council, the European Economic and Social Committee and the Committee of the Regions on The European Green Deal. Brussels: European Commission.
]Search in Google Scholar
[
European Commission. (2020a). Communication from the Commission to the European Parliament, the Council, the European Economic and Social Committee and the Committee of the Regions on Stepping up Europe’s 2030 climate ambition, Investing in a climate-neutral future for the benefit of our people. Brussels: European Commission.
]Search in Google Scholar
[
European Commission. (2020b). Communication from the Commission to the European Parliament, the Council, the European Economic and Social Committee and the Committee of the Regions on A Farm to Fork Strategy for a fair, healthy and environmentally-friendly food system. Brussels: European Commission.
]Search in Google Scholar
[
European Commission. (2020c). Communication from the Commission to the European Parliament, the Council, the European Economic and Social Committee and the Committee of the Regions on an EU strategy to reduce methane emissions. Brussels: European Commission.
]Search in Google Scholar
[
European Commission. (2020d). Future of EU livestock: how to contribute to a sustainable agricultural sector? Brussels: European Commission.
]Search in Google Scholar
[
European Commission. (2021). Regulation (EU) 2021/1119 of the European Parliament and of the Council of 30 June 2021 establishing the framework for achieving climate neutrality and amending Regulations (EC) No 401/2009 and (EU) 2018/1999. Brussels: European Commission.
]Search in Google Scholar
[
FAO. (2006). Livestock’s long shadow: environmental issues and options. Rome: FAO.
]Search in Google Scholar
[
Holm-Nielsen, J. B., Al Seadi, T., & Oleskowicz-Popiel, P. (2009). The future of anaerobic digestion and biogas utilization. Bioresource technology, 100(22), 5478–5484. DOI: 10.1016/j. biortech.2008.12.046.10.1016/j.biortech.2008.12.04619217772
]Search in Google Scholar
[
LASAM. (2021). Latvian Agricultural Sector Analysis Model. Retrieved November 16, 2021, from https://lasam.llu.lv/#.
]Search in Google Scholar
[
Latvia University of Life Sciences and Technologies. (2016). Lauksaimniecības sektora SEG emisiju aprēķina metodoloģijas un datu analīzes ar modelēšanas rīku izstrāde, integrējot klimata pārmaiņas (Development of methodology for calculation of GHG emissions from the agricultural sector and data analysis with modeling tool, integration of climate change). Retrieved April 12, 2021, from http://petijumi.mk.gov.lv/node/3026. (in Latvian)
]Search in Google Scholar
[
Ma, G., Ndegwa, P., Harrison, J. H., & Chen, Y. (2020). Methane yields during anaerobic co-digestion of animal manure with other feedstocks: A meta-analysis. Science of The Total Environment, 728, 1–13. DOI: 10.1016/j.scitotenv.2020.138224.10.1016/j.scitotenv.2020.13822432361106
]Search in Google Scholar
[
Millers, J., & Pilvere, I. (2021). Possibilities of biogas production from livestock waste in Latvia. In Proceedings of the 2021 International Conference “Economic Science for Rural Development”, 11-14 May 2021 (pp. 424–432). Jelgava, Latvia: Latvia University of Life Sciences and Technologies. DOI: 10.22616/ESRD.2021.55.043.10.22616/ESRD.2021.55.043
]Search in Google Scholar
[
Paris Agreement. (2015). United Nations Framework Convention on Climate Change. Paris: United Nations.
]Search in Google Scholar
[
Priekulis J., Frolova O., Berzina L., & Laurs, A. (2021). Livestock manure use for biogas production in Latvia. In Proceedings of the 20th International Conference “Engineering for Rural Development”, 26-28 May 2021 (pp. 1095–1100). Jelgava, Latvia: Latvia University of Life Sciences and Technologies. DOI: 10.22616/ERDev.2021.20.TF237.10.22616/ERDev.2021.20.TF237
]Search in Google Scholar
[
Sefeedpari, P., Pudełko, R., Jędrejek, A., Kozak, M., & Borzęcka, M. (2020). To what extent is manure produced, distributed, and potentially available for bioenergy? A step toward stimulating circular bio-economy in Poland. Energies, 13(23), 1–22. DOI: 10.3390/en13236266.10.3390/en13236266
]Search in Google Scholar
[
Stolarski, M. J., Warmiński, K., Krzyżaniak, M., Olba–Zięty, E., & Akincza, M. (2020). Bioenergy technologies and biomass potential vary in Northern European countries. Renewable and Sustainable Energy Reviews, 133, 1–19. DOI: 10.1016/j.rser.2020.110238.10.1016/j.rser.2020.110238
]Search in Google Scholar
[
The Ministry of Environmental Protection and Regional Development. (2021). Annexes to the Latvia’s national inventory report 1990–2019. Retrieved December 21, 2021, from https://videscentrs.lvgmc.lv/files/Klimats/SEG_emisiju_un_ETS_monitorings/Zinojums_par_klimatu/SEG_zinojums/2021/.
]Search in Google Scholar
