The Water Knife, by Paolo BacigalupiRead about another entry on the list.
Bacigalupi’s grim novel tells a story that seems familiar at first: drought conditions have wreaked havoc on a huge section of the Southwestern United States. Water has become the most precious resource in the world, spurring the creation of private armies and near-wars between states and corporations over water rights. The world on the wrong side of the borders is realistically awful, and the mystery surrounding an ancient water treaty that will change the whole playing board is engrossing. But the main lesson is that ecological disaster, like war and plague, will be run by corporations for profit, because that’s how the modern world works.
Also see: ten top climate change fiction books for young readers.