Every year, on March 22, the United Nations invites all the world's citizens to celebrate water.
Here are some footprint calculators you might find interesting:
Products calculator: from apples to wine, see the water footprint of each: www.waterfootprint.org - sheep's meat looks to have the highest water footprint.
Here's an extensive water calculator for your home use: wecalc.org, you do need to put in your e-mail address.
- The production of one kilogram of beef requires 22 thousand litres of water.
- To produce one cup of coffee we use 140 litres of water.