 A journalist details the shady practices that can leave students feeling cheated. But first, it is Phoenix in the summer, and it's hot. That is no surprise in the Valley of the Sun. But things are changing. It's getting hotter and drier. More people are dying every year from the heat. We are running out of water. We can't build anymore. The urban heat island is stopping nights from cooling down like they used to. Planes can't even take off.