29401357487_ed7d6a7c12_o.jpg

Monsoon rainstorms bring moisture from the tropics to the arid lands of the Desert Southwest, supporting a landscape that is much more biodiverse than most other deserts in the world. (Photo: Deborah Lee Soltez) Monsoon rainstorms bring moisture from the tropics to the arid lands of the Desert Southwest, supporting a landscape that is much more biodiverse than most other deserts in the world.