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BreadGlobal average water footprint: 40 litres of water for one slice of wheat bread. Producing wheat costs 1300 litres of water per kg (global average). One slice of bread has a weight of about 30 gram, which implies a water footprint of 40 litres. If the bread is consumed together with 1 slice of cheese (10g), then it all together costs 90 litres of water. |
