Study: Drought a key factor in Central American migration to the United States

AUSTIN (KXAN) -- Despite a focus on crime, poverty, and political unrest in Central America, weather conditions appear to be among the most significant factors when it comes to predicting immigration to the United States' southern border.A study by researchers at the University of Texas at Austin and the University of Utah tracked more than 323,000 migrants traveling with family from Guatemala, El Salvador, and Honduras.It found that conditions one standard deviation drier than usual contributed