Guardian: Biofuels have long been hailed as one of the potential answers to climate change. Their environmental credentials are controversial, but a handful of countries are now looking at them from another angle entirely: they want to use biofuels to try to reduce poverty among rural smallholder farmers.
Such efforts are in full force in Brazil, a country that is home to both a sizeable biofuels industry and about 4.1m small-scale family farms. But while some of the country's biofuels policies have fallen...