Journal Pre-proof Towards a global day zero? Assessment of current and future water supply and demand in 12 rapidly developing megacities Mohammad Sadeq Ahmadi, Janez Suˇ snik, William Veerbeek, Chris Zevenbergen PII: S2210-6707(20)30516-3 DOI: https://doi.org/10.1016/j.scs.2020.102295 Reference: SCS 102295 To appear in: Sustainable Cities and Society Received Date: 18 July 2019 Revised Date: 27 May 2020 Accepted Date: 28 May 2020 Please cite this article as: { doi: https://doi.org/ This is a PDF ﬁle of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the deﬁnitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its ﬁnal form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. © 2020 Published by Elsevier.