Table 17. Reductions in total livestock sector impacts within the US, achieved through use of vegan diets for dogs, cats or humans, based on 2020 consumption levels.

Diet	Parameter	Land Use (m2)	Freshwater (L)	Str-Wt WU (L eq)	GHG (kg CO2eq, IPCC 2013)	Acid. (kg SO2eq)	Eutr. (kg PO43-eq)	Biocides
Dog food	Reduction of diet impact due to vegan diet	85.9%	32.7%	31.2%	75.1%	74.6%	74.7%	63.0%
	Proportion of total livestock consumption	17.7%	17.7%	17.7%	17.7%	17.7%	17.7%	17.7%
	Reduction of total livestock impact due to vegan diet	15.2%	5.8%	5.5%	13.3%	13.2%	13.2%	11.1%
Cat food	Reduction of diet impact due to vegan diet	84.7%	30.7%	29.2%	73.3%	72.8%	72.9%	60.7%
	Proportion of total livestock consumption	2.3%	2.3%	2.3%	2.3%	2.3%	2.3%	2.3%
	Reduction of total livestock impact due to vegan diet	1.9%	0.7%	0.7%	1.7%	1.7%	1.7%	1.4%
Dog food + cat food	Reduction of diet impact due to vegan diet	85.8%	32.5%	31.0%	75.0%	74.4%	74.6%	62.8%
	Proportion of total livestock consumption	20.0%	20.0%	20.0%	20.0%	20.0%	20.0%	20.0%
	Reduction of total livestock impact due to vegan diet	17.2%	6.5%	6.2%	15.0%	14.9%	14.9%	12.6%
Human diet (US)	Reduction of diet impact due to vegan diet	75.3%	21.4%	20.1%	56.9%	57.7%	55.8%	58.9%
	Proportion of total livestock consumption	80.0%	80.0%	80.0%	80.0%	80.0%	80.0%	80.0%
	Reduction of total livestock impact due to vegan diet	60.3%	17.1%	16.1%	45.5%	46.1%	44.6%	47.1%