Environmental Science
Understanding the Water Footprint of Food Production
Quick fact
Producing 1 kg of chocolate requires roughly 24,000 litres of water, while 1 kg of potatoes needs only about 290 litres.
Why this is interesting
You check the calorie count on your food label, but have you ever wondered how much water it took to make that burger? The answer might surprise you: a single kilogram of beef requires about 15,000 litres of water.