There's a global shortage of vanilla beans. Prices have soared, squeezing bakers and ice cream makers alike.
The island nation is one of the world's biggest exporters of tea. We visit one organic tea farm that shares revenues with its workers.
Indonesia is the world's fourth-largest coffee producer, exporting more than it consumes, but that's changing thanks to demand from a rising middle class.
The sugar industry dominated Hawaii's economy for over a century, but it has shrunk in recent years. Hawaii's last sugar mills wrapped up its final harvest.
The Permaculture Institute of El Salvador is re-building sustainable agriculture in a country devastated by years of violence and environmental degradation.