José Cláudio da Silva
José Cláudio Ribeiro da Silva (January 22, 1957 – May 24, 2011) was a Brazilian conservationist and environmentalist who campaigned against logging and clearcutting of trees in the Amazon rainforest. == Biography == Ribeiro da Silva, who was also known by the nickname Zé Cláudio, campaigned against illegal logging, deforestation and ranchers.