Never said they did, did I?
I said that man has the ability to alter his environment. On a grand scale. Doesn't he?
But, man has no left a footprint with the environment with light pollution.
Footprint?
What do you mean by footprint? I am unsure how you are comparing a "footprint" to our ability to light the planet.
Dude, you really don't have a clue, do you? I'm not here to teach you what your government funded schooling failed to do. Have a good day, Sweet Thang'