Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. José Cláudio Ribeiro da Silva was a Brazilian conservationist and environmentalist who campaigned against logging and clearcutting of trees in the Amazon rainforest. Ribeiro da Silva, who was also known by the nickname Ze Claudio, campaigned against illegal logging, deforestation and ranchers. He originally worked as a community leader at a forest reserve that produced sustainable rainforest products, such as oils and nuts. He became an anti-logging activist as illegal logger began to encroach further into untouched areas of Pará, his largely forested homestate in northern Brazil. He and his wife, Maria do Espírito Santo, had received death threats for his activism in favor of the preservation of Brazil's rainforest. In 2008, a report issued by a group of Brazilian human rights groups listed Ribeiro da Silva one of a dozen activists based in the Amazon to be "considered at risk" of harm or assassination by opponents