The conflict in Sudan has turned attention to a rarely discussed commodity: gum arabic. This product, the dried sap of certain species of acacia trees, is used mainly as an additive in the soft drinks ...

Hilat Ismail Village, North Kordofan State, April 4, 2013- Hamed Adam stands patiently in the sand under a scorching sun as a laborer gathers gum Arabic from the skinny Acacia Senegal trees. The ...

For millennia, the gum of the acacia tree has been prized for its unusual culinary and medical uses. Now, the trees are part of a continent-wide effort to hold back the Sahara Desert. In the Malian ...