Expocatadores is an event for business, experience exchanges, disseminating knowledge and technology for efficient and inclusive waste management. The event, which runs from Nov. 28-30, is hosting 1,500 waste pickers from 25 Brazilian states as well as visitors and government leaders. On Nov. 29, former president Lula Inácio da Silva spoke in the main auditorium. There has also been an international presence, with participation from waste pickers from 12 countries in Latin America as well as India, Benin, and Kenya.

Also happening during Expocatadores is the 3rd National and International Gathering of Waste Pickers, the goal of which is to exchange experiences. The themes debated in the technical seminars focus on the implementation of the National Waste Policy, the closing of open dumps and waste management plans.