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In many emerging and developing countries hybrid systems, not completely public nor private, have become a regrettable unstandardized ‘standard’ for water and sanitation service (WSS) provisions. These spotted zebras deserve the attention of both the scientific community and policymakers being ambiguous solutions. On the one hand, the hybrid systems allow broadening the access to the water supply service in face of the challenge to manage, maintain and adapt large infrastructures in a time of increasing climate change impacts, water-supply demand and drinking water scarcity. On the other hand, by embodying informal artefacts and unregulated behaviours to use natural resources, the hybrid systems enhance the vulnerability and precariousness of the population that is normally not reached by the formal public infrastructure. The paper presents findings of research conducted in Queimados, in the Rio de Janeiro Metropolitan Area. Our study suggests that grassroots solutions, albeit being an opportunity when integrated, represent a threat when standing alone, and it is critical to further discuss ways to promote such integration within a structured institutional public framework. Conclusions stress the need to rethink the grassroots engagement within socio-technical transition emphasizing the nexus between political culture, civic education and infrastructural solutions.

The spotted zebra: Cohabitation between informal solutions and public-owned infrastructures for water supply in the Rio de Janeiro Metropolitan Region