This is probably not news to a lot of people. It is one of those little ‘facts’ that used to go around in SPAM e-mails not too long ago. But it sort of means a bit more now that we know the world is rapidly running out of drinkable water.
As an aside, did you know that India is about to start shipping drinking water by bulk water tanker from Canada? I kid you not.
Anyway, from when the beans are picked up until they finally end up in a standard cup of coffee at your favourite coffee shop, about 150 litres of water has been used to make that cup of coffee possible—even though there is only about 0.05 litres (50 ml) of water in the coffee cup (talking about a single-shot flat white, where the rest is milk).