Koyaanisqatsi (1982)
And its companion films from the Qatsi trilogy:
Powaqqatsi (1988) aka: Powaqqatsi: Life in Transformation
Naqoyqatsi (2002) aka: Naqoyqatsi: Life as War.
As suggested by Cocoken.
Let's have a thoughtful discussion here: http://www.imdb.com/board/bd0000088/nest/227492143
As suggested by Cocoken.