This is a very interesting idea you're working on. I have a question though: why try to white-balance-correct the artificial light of a fluorescent-lit landscape photo that is devoid of people? This is not natural light, and I think the images would be more powerful if you emphasized the otherworldliness and unease created by the artificial lighting of vast landscapes. As you stated, each light seems to have its own color temperature. This cannot be easily corrected, but I also do not feel its appropriate in this situation.
Color-corrected the photo is ideal in situations where you want skin tones to look like skin, but these photos are devoid of humanity, so I do not feel that a "correct" white balance has much to offer here.
Additionally, while the bottom two photos are fine, the first two photos could use another stop or two of exposure. I'm guessing that the camera's exposure meter was metering off of the bright pinpoint lights, but to me this does not feel correct for the images.
Anyway, to answer your original question, about how to color balance when the lights are multiple color temperatures, it is easiest in a tool such as Lightroom, but can be done in Photoshop as well.
In Lightroom, balance the photo for the predominate color temperature, so that at least one light source is making white light. Then use the exposure brush (it looks like a magic wand or something) to paint over the areas that are cast in different hues. Then turn off all the exposure changes, and use the filter palette to select the complementary color that will result in a white light.
In Photoshop, you need to do basically the same thing, but because there is no magic exposure wand, you have to recreate the tool using the spraycan and multiple layers and blending modes.
Hopefully this information is helpful. Please let me know, thanks