How much water does it take to make a cup of coffee?

How much do we know about water footprints – the total amount of water needed for a product, including raw materials?  For reference, a full bathtub is deemed to be 50 gallons.

  • A cup of tea needs 8 gallons
  • A slice of wheat bread needs 10.6 gallons
  • An apple needs 18.5 gallons
  • A glass of beer needs 19.8 gallons
  • A 10-minute low-flow shower needs 25 gallons
  • A glass of wine needs 31.7 gallons
  • A washing machine load needs 40 gallons
  • A glass of orange juice needs 45 gallons
  • An egg needs 53 gallons
  • A glass of milk needs 62.5 gallons
  • A Sunday newspaper needs 80 gallons
  • 1lb of chicken needs 519 gallons
  • A cotton shirt needs 700 gallons
  • 1lb of beef needs 1,850 gallons
  • 1lb of coffee needs 2,500 gallons.

Apparently, if you replace a cup of coffee a day with tea, you could save 10,950 gallons a year; orange juice with water, 16,717 gallons; and milk with beer 15,582 gallons!

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