Did you know that worldwide, more than two billion don’t have clean water at home? That means that millions must take long walks to get safe drinking water or drink from unprotected water sources such as lakes and streams. Using dirty water to drink, cook, or bathe can cause a lot of health problems — in fact, 525,000 children under 5 die each year from diarrheal disease.
Because water is such an integral part of life, you probably think you know quite a bit about it already. But some of these facts surprised even us! Take our water quiz below and test your knowledge!