Reuters: The Sahel region's ability to produce food is not keeping pace with its growing population, and global warming will only exacerbate the imbalance, according to a new study.
Among the 22 countries making up the arid region in northern Africa, the population grew to 471 million in 2010 from 367 million in 2000, a jump of nearly 30 percent.
As the population grew rapidly, the production of crops remained essentially unchanged, said researchers from Lund University in Sweden.
Using satellite...