1. (n.) An ancient occurrence that was once a flourishing, magnificent and undisturbed phenomenon observable across the entire globe.
2. (n.) A figment of the past that has now been obliterated by the over consumption and excessive waste of mankind, only to be replaced by an artificial, grey and oblique simulative like world.
"I heard the environment used to be all over this place. Hard to believe this air used to be breathable, and this place was filled with more than just the color grey."