The the practice of outdoor defecation is a major cause of diarrheal diseases that kill about 2,200 children a day - more than die from HIV/AIDS, malaria or tuberculosis combined As of 2015, an estimated 900 million people relieved themselves outside, according to the UN. More than half of them – around a half billion people – were in India. In response, the Indian government launched what Bloomberg News called “the largest toilet-building campaign in human history.” According to government