(Photo from Wikipedia.)
Rastafarianism was founded in the 1930s with Haile Selassie I as the leader. Rastas believe former Emperor Selassie was the personification of the second coming of the messiah. As far as ganga goes, it is used as a means to get closer to God. According to the "Religion & Ethics - Rastafari" article on BBC Website.
Doing research on the Internet got me into a bit of a tight spot; most of the information was about the beginings of the Rasta religion and not modern beliefs. Here's a comparison:
(Initial beliefs info from Religious Movements.), (Current beliefs info from the BBC Web site.)
Rasta Environmentalism:
Devoted Rastafarians are vegetarians. They follow the laws given in Leviticus chapter 11, in the Bible. Some examples include eating fish that's less than a foot long and no shell fish. I-Tal food has never touched chemicals and is all-natural.
I didn't find a whole lot on how Rastas are helping to save the environment, *(I had some information here on Derek Wall, but he actually put a comment here telling me I had wrong info so I changed it).
So, what I was trying to talk about was Nandor Tanczos.