Looks very heavily processed, which is not necessarily a bad thing. It works for this photo. I like how you represent the lack of life and color on the earth in the future (at least I hope that is what you are trying to do). Great!
I love this image. This is a Fantastic style, and I have fav'd it. However, for me, it has nothing to do with sci-fi. Granted I could stretch my imagination and come up with something.
'With the major pollutants of the 21st century's technology jumps, man has in affect exhausted their water supply. Even with the world being nearly three quarters water, the fresh water supply no longer exists except for a few heavily guarded mountain streams. The beautiful bright colours man has always loved, is only remembered by faded pictures and electronic images. The dried yellow and browns have since become the standard for all floral. Now, in 2112 there is a single emotion that both plants and man share in one, that is "THIRST"'
I think with a challenge like this one, you have so many different options to choose from and so many creative people on here that this image will just not hold up to the others. Just not very interesting.