According to the World Health Organization, two billion people still do not have basic sanitation facilities. How do governments and organisations address this sanitation crisis? On 19 November, the "Toilet Revolution" event, organized by Heidi News and the Graduate Institute with the support of  the Toilet Board Coalition and UN-Water. will focus on digital health innovations in the field of sanitation and will shed light on organisations based in Geneva working to improve the global sanitation landscape.