How a Brazilian chief is staving off Amazon destruction

As you approach his Capoto/Jarina Indigenous territory in Mato Grosso state, large single-crop farms of soybean or maize give way to lush, verdant rainforest. This is the epicenter of a half-century battle led by the globe-trotting activist against illegal miners and loggers hacking away at the world's biggest rainforest. Instantly recognizable by his wooden lip plate and feathery headdress, Raoni's date of birth is unknown, but he is believed to be about 90. Three decades ago, he toured the...