9781422280539

water

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Virtual Water

Other examples of virtual water include the 11 gallons (41.6 liters) it takes to make a single slice of bread and the 53 gallons (200.6 liters) for an egg. To think about it another way, it takes approximately 1 liter of water to produce every calorie we eat.

This single slice of toast and one egg required about 64 gallons (242.2 liters) of water to create.

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