Comunica？？o e governan？a do risco: a experiência Brasileira em áreas contaminadas por chumbo

considering the contemporary debate on themes involving risk situations in contaminated areas, some relevant concepts about risk communication and risk governance are discussed in this article. a critical analysis of two case studies on communities exposed to lead brazil is presented: in adrianópolis (ribeira valley, state of paraná) and santo amaro da purifica？？o (state of bahia).