Solid waste is today one of the major problems in Brazil and the world, and solid waste cooperatives are an ally to contribute to the solution of this problem.Within this scope, the present study asks: what are the challenges in the process of implementing a cooperative of recyclable material collectors?To this end, we chose to study a cooperative implemented in 2019 in the city of Naviraí, Mato Grosso do Sul (MS), with support and technical advice from Instituto Recicleiros, a nongovernmental organization (NGO) that operates in several Brazilian cities.In this context, the Quadro 3 -Informações gerais sobre a cooperativa analisada