General assumptions: Emissions incl. transportation and bag.
Material is included.
Production is included.
Distribution is included.
Use is not included.
End of life is not included.
Berners-Lee, M. (2011). How bad are bananas?: the carbon footprint of everything. Greystone Books. ISBN: 1553658329, 9781553658320
Chiriaco, M. V., Grossi, G., Castaldi, S., & Valentini, R. (2017). The contribution to climate change of the organic versus conventional wheat farming: A case study on the carbon footprint of wholemeal bread production in Italy. Journal of cleaner production, 153, 309-319. URL: https://doi.org/10.1016/j.jclepro.2017.03.111
Berners-Lee, M. (2010). What's the carbon footprint of ... using a mobile phone? URL: https://www.theguardian.com/environment/green-living-blog/2010/jun/09/carbon-footprint-mobile-phone
Espinoza-Orias, N., Stichnothe, H., & Azapagic, A. (2011). The carbon footprint of bread. The International Journal of Life Cycle Assessment, 16(4), 351-365. (977 to 1.244 g CO2 eq). URL: https://link.springer.com/article/10.1007/s11367-011-0271-0
ifeu - Institut für Energie- und Umweltforschung Heidelberg gGmbH (2020). Ecological footprint of food and dishes in Germany. URL: https://www.ifeu.de/projekt/oekologischer-fussabdruck-von-lebensmitteln-und-gerichten-in-deutschland/
Jensen, J. K., & Arlbjørn, J. S. (2014). Product carbon footprint of rye bread. Journal of cleaner production, 82, 45-57. URL: https://www.sciencedirect.com/science/article/pii/S0959652614006490