An average toilet uses three gallons of water every time it is flushed.
To manufacture a new car approximately 148,000 liters of water is needed.
Sea water weighs about a pound and a half more per cubic foot than fresh water at the same temperature.
The condensed water vapor in the sky left behind by jets is called a contrail.
image by: jimjen
Washing machines use anywhere from 40 to 200 litres of water per load.