How much water is needed to make a cotton T-shirt?
35,000 litres
145 litres
2,000 litres
How many people have no access to clean drinking water?
one in ten
one in three
one in five
Which technology is NOT suitable for saving or sustainably producing water in very dry areas?
Digging ever deeper wells
Irrigating fields with droplets
Capture water drops from the air with fine nets
How many natural disasters are water-related, i.e. caused by too much or too little water?
30%
60%
90%
What percentage of the world's water is potable?
less than 3 %
more than half
about 20 %
For 1 Euro you can buy up to 5 bottles of mineral water in Germany. How many litres of tap water can you get for the same money?
100 litres of tap water
1,000 litres of tap water
500 litres of tap water
One meat-free day per week saves a lot of water. How long could you shower every day for that?
for half a year
for almost one and a half years
for one month
Why is contaminated water dangerous to the lives of many people? It contains...
toxic chemicals
many pathogens
radioactive materials
Which economic sector consumes the most water worldwide?
Agriculture
Tourism industry
Textile industry
Women are responsible for water collection in ________________ globally.
4 out of 10 households
8 out of 10 households
1 out of 10 households
Worldwide, how many people have no toilet of any kind, and instead have to use bushes, fields or streets?
Around 30%
Around 50%
Around 10%
To save water on daily basis it is important to:
drink fizzy drinks rather than water
take short showers rather than baths
do the washing up by hand
What proportion of the world's population lives on the driest half of the planet?
85%
50%
30%
