There are three things, only three, that you need to stay alive day in and day out. That would be Food, Water, and Oxygen, and none come in more abundance than oxygen.
Whether from human interference or just bad luck, we've been seeing more and more disasters destroy swaths of our home. That's what makes Arizona's plan to save the environment even more interesting.
Most major cities in the United States cause a record amount of air pollution, but the effects are rarely seen outside of plumes of smoke shooting out of industrial parks. Arizona's a little different.
Ask any out-of-stater what they know about Arizona and they'll likely say one word: 'Desert". The state is notorious for its large swaths of dry, desolate land, but the truth is far more complicated.