Biofuel has made Brazil an agricultural superpower, but it comes at a human cost, as Richard Bilton discovers when he meets the sugar cane cutters. Show more
Discover 11,128,835 listings and 282,121 playable programmes from the BBC
Biofuel has made Brazil an agricultural superpower, but it comes at a human cost, as Richard Bilton discovers when he meets the sugar cane cutters. Show more