With water cuts looming in Arizona in US, locals fight data centres

Every morning Marisol Winfrey Herrera’s three-and-a-half-year-old daughter Jo reminds her to turn off the tap while washing her hands and brushing her teeth.

When they leave home, she reminds her mother to keep a bottle of ice with them to offer it to homeless people, who they sometimes find wilting in the Tucson heat. At first, they press the ice-filled bottles on the homeless folks to help the...