An interview with Ugo Mattei (in Italian) about his book Beni Comuni: Un Manifesto (Laterza, 2012; Spanish translation by Trotta, 2013) and the struggles against water privatization in Italy. He has also published material on this topic in English, e.g. his ‘Social movements as constituent power: the Italian struggle for the commons’, Indiana Journal of Global Legal Studies 20 (2), 965-1013, with Saki Bailey.