Ethical consumers should be aware poor Bolivians can no longer afford their staple grain, due to western demand raising prices…[Q]uinoa trade is...[a] troubling example of a damaging north-south exchange, with well-intentioned health and ethics-led consumers here unwittingly driving poverty there...[A] focus on exporting premium foods can damage the producer country's food security...Peru has also cornered the world market in asparagus…[the production of which] has depleted the water resources on which local people depend. [A]sparagus labourers toil in sub-standard conditions and cannot afford to feed their children while...exporters and foreign supermarkets cream off the profits...[Finally], [s]oya…is now one of the two main causes of deforestation in South America...