O rio não está para peixe - I

Synopsis: audio program in which two cousins ​​meet after a few years, when one of them visits the homeland somewhere in the interior of Brazil. The visitor is surprised by the alterations that the region's main river suffered during the period when it was absent, especially when it came to contamination from sewage runoff, eutrophication and silting. (Part 1/2)
Source: Unicamp - EMBRIAO Project.
URL: http://www2.ib.unicamp.br/lte/embriao2/visualizarMaterial.php?idMaterial=788