This concluding chapter summarises and synthesises the book's main arguments on four levels: in relation to its five ‘divided environments’; with regard to what these cases, and the similarities and differences between them, suggest about the relations between water and (in)security; with reference to the broader significance of the analysis for understanding ecological politics and the study thereof; and on what, by extension, all this might tell us about the likely future conflict and security implications of climate change. Neither the eco-determinist nor liberal traditions, the book as a whole shows, are adequate to understanding water security and insecurity today, or to grasping the wide-ranging conflict and security implications of climate change; political ecology–informed premises are required instead. But what does this tell us about the coming landscape of climate change and conflict? The book closes by offering a series of tentative predictions.