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"Save water, drink beer instead" is a popular water conservation slogan for hops lovers.
Sadly, it's just been proved that this slogan has little merit, and that drinking beer - particularly in water-stressed South Africa - involves significant water use.
According to a report by brewery giant SABMiller and environmental group WWF, to the World Water Week 2009 event in Stockholm, it requires a staggering 155 litres of water to produce every litre of beer of popular brands such as Castle and Carling Black Label in South Africa.
About 98,3 percent of the water is used during the crop cultivation of the ingredients on the farm.
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The position is much better in the wetter Czech Republic, where the brewer's Plzensky Prazdroj operation produces the famed Pilsener Urquell.
The Czech footprint is significantly smaller at 45 litres of water to one litre of beer.
According to a joint statement by the brewer and WWF, this difference is due mainly to a greater reliance on irrigation in SA, and imported crops.
They pointed out that, compared with other beverages, beer's water footprint was relatively small.
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This article was originally published on page 1 of Daily News on September 11, 2009
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