Street artists, more than any other group, are really awesome at making art with environmental messages.
from Matador Network » Matador Network http://matadornetwork.com/change/15-coolest-pieces-environmentalist-street-art-youll-ever-see/
from Matador Network » Matador Network http://matadornetwork.com/change/15-coolest-pieces-environmentalist-street-art-youll-ever-see/