If you think you're feeling the heat this summer, learn what it's like to have no clean water on tap at all.
Noella, 12, lives in Tshimahavaobe, Madagascar, where she goes to primary school.
There is no water at her school so she and her friends have to bring enough water from home to drink through the day. The heat here is very strong, making it difficult for Noella to concentrate on her work.
Noella wants to be a doctor when she grows up but she often has a stomach ache and has to miss school.
The well Noella collects her water from is unprotected which means the water is not clean. Every day she has no choice but to drink this unsafe water, which may make her ill, rather than not drink at all and become dehydrated.
Either way, she risks sickness and having to miss more school, as she explains in this short film: