Brazilian wind farms cause conflict with indigenous rights

In order to hear the "enchanted"—ancestor spirits—Indigenous leader Zenivaldo Bezerra had to wait till the dead of night in his rural hamlet in northeastern Brazil. But due of the buzz from 52 wind turbines erected on the nearby savannah without their agreement, the Pankararu, a tribe of roughly 7,500 Indigenous people in Pernambuco state, rarely have a quiet night.