At about $15 a gram, saffron is the world's most expensive spice. Rumi Spice has a unique model of employing Afghan farmers who are growing it that aims to double or even triple their annual income.
Cristina Hirschkorn/Courtesy of Rumi Spice
A coffee grower picks coffee fruits in a plantation near Montenegro in Quindio province, Colombia. Fair Trade USA wants to allow coffee from big estates like this one under its fair trade label.
Jose Miguel Gomez/Reuters /Landov