Will you join us?
Billions are being spent searching for water and signs of life on Mars. But nobody is thirsty there. Our mission is here, on Earth.
771 million people don't have clean water close to home.
It's often women and girls like Novia, 13, from Timor Leste, who have to walk for water. She makes a three-hour journey each morning, which means she's late for school.
Every 2 seconds a woman gives birth in a health centre without clean water.
Women have distinct needs for clean water, decent toilets and good hygiene. Without them, they face urgent health problems at every stage of their lives.
1in10patients in developing countries catch infections in hospital.
70% of these cases could be avoided with clean water, sanitation and hygiene services. Ask the PM to champion these three things in every health facility worldwide.
Get involved, your way
There are lots of ways you can help us reach communities around the world with clean water, decent toilets and good hygiene.