An 8 minute long shower with a flow rate of 11 liters per minute uses 88 liters of water . Given you only drink a couple of liters of water a day , that sounds like a lot! But compared to the water used to produce the food you eat and the products you use, it’s pretty insignificant [3,4].
The amount of water used to produce your food depends on what you eat: for a meat-eater its about 4300 liters per day . For a vegetarian it’s much less: around 2700 liters, because meat production requires a lot of water . So, to reduce the amount of water you use, it’s much more effective to cut out meat than to have a shorter shower!
But what about the “water-guzzling“ vegan foods ? It’s true that almonds require a lot of water to grow: an 80g serving (about 54 almonds ) takes about 1288 liters to produce . This is causing farmers in California to take ancient water out of the ground that will take many years to fill up again naturally [9,10].
How about avocados? For an 80g avocado  about 158 liters of water are needed on average . That is a fair bit, but it’s a lot less than red meat: 80g of beef uses 1232 liters of water !
We’re focussing on water here, but remember that food has many different types of impact on the environment . Beef is worse than almonds overall because it uses a lot of land and has a high carbon footprint .
We’ll look into water use of products in more detail in the next post!
Join our Newsletter!
Climate Science is registered as a non-profit company limited by guarantee in England and Wales.
Copyright © 2019-2020 Climate Science Ltd. All rights reserved.