Rio de Janeiro is not one of the 25 world’s dirtiest cities, yet. · Global Voices
Daniel Duende

Luiz Antonio Ryff comments[pt] on the list of the 25 World's Dirtiest Cities published by Forbes.com, and says he is quite impressed Rio de Janeiro doesn't figure on the list: “Rio de Janeiro is not on the list, despite the huge efforts made by some of it's inhabitants to grime the city”.