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Wednesday, 28 October 2015

COWS' MILK IS A WATER EFFICIENT FOOD

WATER EFFICIENT COW'S MILK


Water Footprint – Soy Drink 3763 litres – Cow's Milk 1020 litres

Water-Footprint: Green, Blue, Grey, Total

Cow's milk: 863, 86, 72, 1020
Soy so-called “milk”: 3574, 123, 65, 3763

Vegans could save 3763 - 102 2743 litres of water by drinking a litre of Cow’s Milk, instead of a litre of Soy Drink.

Even some fruit juices have Water Footprints, just as high, or higher, than Cow's milk.

Orange juice: 729, 199, 90, 1018
Cow's milk: 863, 86, 72, 1020
Apple juice: 780, 185, 176, 1141
Pineapple juice: 1075, 45, 153, 1273

“The green, blue and grey water footprint of crops and derived crop products” Mekonnen, M.M. and Hoekstra, A.Y. (2011) Hydrol. Earth Syst. Sci., 15, 1577–1600, 2011 hydrol-earth-syst-sci.net - www.hydrol-earth-syst-sci.net/15/1577/2011/hess-15-1577-2011.pdf 


On average, it takes,
a total of 1020 litres of water,
to produce 1 litre [1 kg] of milk.

962 litres for 1 kg of fruit;
1644 for cereals;
4055 for pulses [pea and beans];
9063 for nuts.

For grey water used to dilute pollutants to acceptable levels.

72 litres per litre of milk.
89 for fruit;
184 for cereals;
734 for pulses [pea and beans];
680 for nuts.

Table 6, page 29, UNESCO-IHE [Institute for Water Education] Report 48, “The Green, Blue And Grey Water Footprint Of Farm Animals And Animal Products”, Volume 1: Main Report; December 2010.

Click HERE to Download the Report


There is more information at:
http://lacto-ovo-vegan.blogspot.com.au/p/blog-page_61.html