Unsafe methods to capture and treat human waste result in serious health problems and death. Food and water tainted with fecal matter result in 1.5 million child deaths every year. Most of these deaths could be prevented with the introduction of proper sanitation, along with safe drinking water and improved hygiene.

Improving access to sanitation can also bring substantial economic benefits. According to the World Health Organization, improved sanitation delivers up to $9 in social and economic benefits for every $1 invested because it increases productivity, reduces healthcare costs, and prevents illness, disability, and early death.

Read more about “Next-generation” toilets showcased at Gates Foundation