The ImpEE Project: Improving Engineering Education

Slide

As the human population increases, there is growing concern that there won’t be sufficient water to grow the food required.

Meat takes much more water to produce than cereals:1

Reflecting the true ecological cost of food “1 serving of hamburger, fries and soda requires 7000 litres of water to produce it”. 3
However:

Open University (1995) “S268: Physical Resources and Environment” Block 3, pp6
Figures for meat - pork and chicken: Brown, Lester & Halweil, Brian (1998) “China’s Water Shortage Could Shake World Food Security” World Watch, July/August 1998, pp10-21
Hawken, Paul; Lovins, Amory B. & Lovins, L. Hunter (1999). “Natural Capitalism – The New Industrial Revolution” Earthscan, London, pp339 note 20 – data from Prof. Jackie Giuliani of Antioch University (Los Angeles)
Postel, Sandra (1999) “When the World’s Wells Run Dry” World Watch, Sept/Oct 1999