'We had to flee': Yurub Abdi Jama on the run from extreme climate in Somalia

Yurub Abdi Jama is a climate migrant -- one of tens of thousands on the move in Somalia, where environmental extremes are forcing waves of herders and farmers off the land toward cities ill-equipped to host them. In recent years, natural disasters -- not conflict -- have been the main driver of displacement in Somalia, a war-torn nation in the Horn of Africa that ranks among the world's most vulnerable to climate change.