Valentina Cazaato, I notice you are following this question. Do you have interests that overlap this area? Paul

I don't know if this is what you call environmontal art :

http://beatrice-darmagnac.over-blog.com/

If so, you can contact the artist, she is also Ph.D student.

Thank you again Amel. I have looked quickly at the website you suggest and this looks very interesting. 

Check out my paper on Graffiti

I'm not sure about the psychology element, but you might look into the various art-related publications in ecocriticism. Braddock's volume "A Keener Perception" might be a starting point, and with regard to contemporary art you might look into the writings of Yates McKee.

Many thanks Mark