 In this Sunday, March 8, 2015 photo, a Syrian refugee boils water as another woman carries fire wood at an informal tented settlement near the Syrian border, on the outskirts of Mafraq, Jordan. Overall, nearly 3.8 million Syrians have fled their country and are now registered as refugees, according to the agency. Most face increasingly desperate circumstances as the conflict back home enters its fifth year this week. (AP Photo/Muhammed Muheisen) 