I actually don't like hip hop much; the music is too clichéd, the subculture, especially the macho strutting of gangsta rappers, isn't my thing. But, at the same time, rap is a simple, direct and strong musical language.
The business of raising animals for food (with its continuous heavy waste stream of methane and nitrous oxide - leading global warming gases) is responsible for about 18% of global warming. Some scientists actually say the number is closer to 50%.