Amount of water needed to produce 1 liter of cow's milk. To produce the same volume of almond milk, 21x of water, - 1,611.62 gallons - is needed,

GHG emitted to produce 1 liter of cow's milk. In comparison, production of 1 liter of almond milk emits just 0.36 kgs of GHG, i.e. 4.6x less.