The one and only Carl Sagan and his quiet advocacy for cannabis. True legend. January 27, 2021 /r/Marijuana is an educational and informative subreddit for Marijuana. While this is not a subreddit dedicated to CBD or hemp, we encourage thoughtful discussion on all cannabinoids as long as they are derived from Marijuana. We are dedicated to policy reform, related news, advocacy, opinion, health, and discussion about the plant itself.