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!