For business, water scarcity is where climate change hits home

One of your columnist’s favourite ways of passing a hot afternoon in Monterrey, three hours south of Mexico’s border with Texas, is with a cold bottle of locally brewed Bohemia beer alongside a plate of cabrito (roast kid). For a business writer, it is a justifiable use of the expense account. Beers like Bohemia helped make Monterrey the industrial hub that it is. The Cuauhtémoc brewery, now owned by Heineken, a global giant, was started…