New York Times: Water, or the lack thereof, is one of the defining challenges of the 21st century. As temperatures rise and droughts become more frequent, the threat of dwindling water resources worries not just environmentalists and governments but companies and their investors, too.
Nearly every industrial sector, from food and beverages to mining to pharmaceuticals, depends on water for its operations. Figuring out which places are likely to be hit hardest can help a company either steer clear of a certain...