Table 2. Review of greenhouse gas (GHG) emissions for pork

Country (system)	GHG emissions (kg CO2-eq)	Functional unit	References
France (good agricultural practice)	2.3	kg live weight	[13]
UK (heavier finishing)	6.08	kg pig meat	[14]
UK (indoor breeding)	6.42	kg pig meat	[14]
UK (outdoor breeding)	6.33	kg pig meat	[14]
UK (non-organic)	6.36	kg pig meat	[14]
Netherlands (conventional)	3.7	kg live weight	[15]
Denmark	2.25	kg live weight	[16]
Canada	2.31	kg live market weight	[17]
Australia (crop/feed production)	3.1	kg HSCW	[18]
South Korea (feedlot)	2.62	kg live weight	Current study
South Korea (feedlot)	12.3	kg trimmed meat	Current study

CO₂-eq, carbon dioxide equivalent; HSCW, hot standard carcass weight.