The United Nations has raised $60 million so far this year for humanitarian relief, with $18 million in contributions from the United States, but the international organization admits the assistance has yet to reach the majority of the refugees who have fled Iraq since the start of the war.
In Damascus, Syria, Sanaa Yousef treks three miles each afternoon to pick up a meal provided by a local church. It is the only food her family will eat all day.
"How can we survive?" she asks.