How The Toilet Changed History

This video was supported by Bill and Melinda Gates. You can check out the Gates Annual Letter here: More info and sources below Were proud to collaborate with Bill and Melinda Gates for this weeks video It may sometimes seem like things are getting worse, but theres lots of reasons to be optimistic about the future. More people have access to toilets and sanitation than ever before. Thanks to public health improvements like this, since 1990, 122 million childrens lives hav