IYW (#5): How to save water

A major topic covered during the International Youth Weeks (IYW) is sustainability. That is why we also discussed how much water the production of certain goods requires.

Item – Virtual amount of water used for production

1 car: 400.000 liters
1 kg beef: 13.000 liters
1kg coffee: 20.000 liters
1 kg chocolate: 10.000 liters
1 pair of leather boots: 8.000 liters
1 cotton T-shirt: 4.100 liters
200 ml milk: 200 liters
1 liter beer: 75 liters
1 tomato: 13 liters
Source: www.bpb.de: 135 Liter Wasser für ein Ei?

What is virtual water?

“Virtual water is defined as the total volume of water needed to produce and process a commodity or service. For example, it is estimated that 1700 litres of water are required to create 500g of rice. In early 1990s the water footprint concept was introduced, also referred to as ’embedded water’.” Source: 21centurychallenges.org

Calculate how big your virtual water footprint is here.

How to save water

  • Lower/ stop consumption of meat/ animal products
  • Cut down on your possessions; buy second hand
  • Take shorter showers
  • Turn of the water while brushing your teeth
  • Don’t pollute water
  • Educate people about the consequences of their consumption and behavioral patterns
  • Buy local and regional products
  • Inform yourself about
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