The tribe is among last uncontacted Indians in South America . Government revokes permission for Brazilian company to clear forest . Activists undertook legal action without Indians ' knowledge . Tribe has cleared nearly 15,000 acres of forest this year .
Totobiegosode tribe is among last uncontacted Indians in South America . Ruling revokes permit for Brazilian company to clear forest . Activists undertook legal fight without Totobiegosodes ' knowledge . Tribe has lost nearly 15,000 acres of land this year .