Professor Chris Buckley, an international sanitation expert and head of the PRG says flush toilets use "vast quantities of water to disperse small quantities of faeces", which are then dissolved and circulated throughout the world. "We have never been great advocates for the use of water for sanitation," he adds.
40 percent of the world's citizens, some 2.6 billion people, have no hygienic toilet facilities. This exposes them to a perpetual cycle of potentially fatal diseases, such as cholera and diarrhea, Allafrica.com reports. According to the World Health Organisation, improved sanitation can produce up to U.S. $9 for every $1 invested by increasing productivity, reducing health care costs, and preventing illness, disability and early death.
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