In Northern Canada, we meet people being forced out of their homes by accelerating Climate Change. But first we head to syria, where one influential tribe wants to help shape the future of the warravaged country. In syria, the war is not yet over. In the northwest, forces loyal to president Bashar Alassad have mount an attackn the countrylast majorpposition stronghold. Over the years, regionalribes ha also takeup arms, mnly against islamistate milints. Sometimes at the side ofssad, other tis at the se of his opponents. The ammar is aribal confederation based in northeast syria and iraq. It is one of the largest clans of the region. Its syrian headquarters are in tell alo and its leader says tribes like his should play a key role in peace negotiations for the future of their country. Reporter when the weather allows, Sheikh Humaydi daham alhadi gathers his closest allies in a makeshift tent. He often serves them mutton for lunch. Its an old tradition, and one that the head of the shamma