Now The Water Footprint!

We had the carbon footprint, but now its the water footprint that is threatening to constrain how we make food.

Water Footprints Make A Splash | Worldwatch Institute.jpg

from: Worldwatch
(click image for full story online)

 

The water footprint concept is introduced because of the overall shortage of water that is expected as a result of the growing population and the changes in eating habits.

Some of the interesting examples given in the article are:

it is estimated the 4,645 average liters of water that Britons consume daily leads the country to import 62 percent of its water sources

livestock production requires the most water resources in the food chain. One hamburger, for instance, needs 2,400 liters of water on average.

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