From what I can recall it is due to an overlong drought. This could be due to climate change or not. There are arguments from both sides: https://www.inverse.

From what I can recall it is due to an overlong drought. This could be due to climate change or not. There are arguments from both sides: https://www.inverse.com/article/25318-aleppo-syria-conflict-climate-change https://www.inverse.com/article/25318-aleppo-syria-conflict-... http://www.sussex.ac.uk/broadcast/read/41428 http://www.sussex.ac.uk/broadcast/read/41428 Also worth remembering that something as complex as the Syrian Civil war is bound to have multiple causes.