The event focuses on the progress made in the environmental sanitation area in Brazil and abroad. They are lectures and workshops that discuss problems, solutions and successful projects being implemented in the sector. The discussion is focused on public policies to face the social inequality rates and the negative impact that they have on health and the environment. At the same time, round tables with experts are scheduled to discuss the challenges of environmental sanitation at present, such as access to piped drinking water, treatment of sewage, collection and disposal of solid waste (garbage), the conversion of waste into energy and the planning and management of landfills.