
Since he was 14, Al-Amin has tapped gum arabic, the resin of an acacia tree that thrives in Sudan's conflict states -- "manna" from heaven for some, a key ingredient in Coca-Cola for others.
But the low price he gets has made the 40-year-old farmer from North Kordofan consider cutting his trees down and selling the wood as charcoal to feed his wife and seven children, despite such actions contributing to the desertification of central Sudan.
"The producer has needs ... He doesn't have any alternative but to look to his farm and think about how much he will get if he chops down his trees," said Al-Amin.
Sudan's vast woodland savanna, or gum arabic belt, stretches from the border with Ethiopia in the east to...