In this episode, we explore the incredible strategies that allow desert trees like the mesquite and acacia to endure extreme heat, scarce water, and nutrient-poor soils. From deep roots to unique ...

About 80% of the world's gum arabic is harvested in Sudan, where the acacia trees stretch from border to border. But the sap is "increasingly being trafficked from rebel-held areas" of the war ...

Like this acacia tree. It has long thorns that hold water ... It must be starving! Amazing! So, desert habitats are dry and have very little water. Ooh I'm thirsty, I need a drink!

Looted gold and gum arabic are fuelling the civil war in Sudan, according to UN experts ... an organic emulsifier derived from the sap of acacia trees, is a major ingredient in a range of products ...