1. Drinking-water distribution, sewage, and rainfall collection;Brière,2007
2. Four billion people facing severe water scarcity;Mekonnen;Sci Adv,2016
3. Climate change, water security, and U.S. National security;Kenney,2017
4. Water as a source of conflict and global risk. Water as an inescapable risk;Plessis,2019
5. Ranking the world's most water-stressed countries in 2040;Maddocks,2015