I found this painting in the trash?

Hello fellow space cadet, did you know that in the future we can use the internet to send information through time and space? Well It's year 3025 here behind this end of my data input interface and I was hoping I could get some help from someone in the past to help me get more information on this painting I found in the trash incinerator outside my apartment. But before I get going with that crazy story, I should maybe leave a little background information on why I need so much of your help!

Somewhere around 2075 or so its written now in history books there was a great dark age brought about by some computer glitch. It took almost a hundred years for humanity to re-build itself and when they did they discovered new innovative ways of doing things because the earth in that time began to change drastically. Scientists believe the "fall" and the distinct changes in the earth are related, tied to one singular event in the past.

Either way, the earth is no longer green outside, we have gardens in bio-domes everywhere but It occurs to me the world this painting was made in must have a lot to do with what its about. All I know right now, is that it was made by Robert Rauschenburg  its called "Canyon"  and was made in 1959. All that was written on the back. I've taken a picture that I've posted below. If anyone thinks they could help me with my problem please let me know!