It's not!
It's not because it's still not publicly recognized as being so. ISA still has no clue, even though they tried to claim it here
http://www.thesignsyndicate.com/forums/index.php?/topic/5689-neon-ul-green-leaf/
ISA goes out and gives speeches/talks to the public and city officials and when asked why don't they promote/discuss the idea/ fact that Neon is recognized as a green product NOT just LEDs, they shrug their shoulders and have never even had the slightest idea that Neon is.
I thought Rich Gottwald said they had neon's best interests at heart, oh wait...I forgot he's now with