Yams are considered one of the world’s most important crops. A starchy, nutrient-rich root vegetable of the genus Dioscorea, ...

Street trees often grow in appalling soil, have little root space, are rarely watered and get aggressively trimmed. But this ...

Mix it with nuts, seeds, and dried fruits, and you can make nutritious bars ideal for on-the-go snacking. Using baobab fruit ...

Rusting pipes in a barren field and unpaid workers are what remain after a U.S. company promised to turn a huge piece of land ...