It may sometimes seem like things are getting worse, but there's 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 children's lives have been saved. Diseases like polio are nearing eradication. Women have more access to health care and education than ever bef.

Originally released by Knowledgemotion, 2017. Streaming video file encoded with permission for digital streaming by Infobase on February 21, 2020.