Yes / This study introduces ‘eco-sectarianism’, which is a new concept that explains the relationship between sectarian violence and environmental pressures in divided societies in the Middle East. Against the backdrop of climate change, ‘eco-sectarianism’ poses a challenge to many fragmented and unequal societies where the sense of national consciousness is weak and nation-building projects are incomplete. This paper draws attention to the links between politicisation of sub-national identities and emerging ecological challenges in Syria.