“…The Rio Doce watershed and its adjacent coastal and marine areas have been affected by centuries of extractive activities and unsustainable agricultural practices (May et al, 2019). When the Fundão tailings dam collapsed on 5 November 2015, a wave of mud swept down the river to the sea, causing 19 deaths, destroying villages, riparian vegetation, scraping off river sediments and disrupting the lives of thousands of people (Sánchez et al, 2018). The response to a disaster of this magnitude is an extraordinary challenge for which the public authorities and existing structures of governance were not prepared (Lavalle et al, 2019 The central institutions of the TTAC are the Inter-Federative Committee (Comitê Interfederativo, 2 or CIF) and the Renova Foundation, a private entity fully funded by Samarco and its parent companies, which was established to implement the 42 programmes.…”