Hank Green (one of the brothers who bring you "Crash Course") explains what is going on in Syria.
Published on Sep 13, 2013, but gives good background overview (albeit fast-paced).
This video is a great starting point! (Note: Strong opinions are expressed)
Published on Sep 17, 2015 by Kurzgesagt (means "in a nutshell" in German).
John Green (one of the brothers who bring you "Crash Course") explains the current refugee crises. The first 5 minutes are focused on Syrian refugees, the remaining time is about the international responses (or lack of response). (Note: Strong opinions are expressed)
Published on Sep 8, 2015