Threatened Amazon tribes fight against the odds http://www.indiancountry.com/content.cfm?id=1096414383 Indigenous Peoples in Brazil [Macromedia Flash Player] http://www.socioambiental.org/pib/indexenglish.htm Organization of the Petroleum Exporting Countries [Macromedia Flash Player, pdf] http://www.opec.org/home/ Woods Hole Research Center: Amazon Ecology Program...