PoliticalForum - join
PoliticalForum is a non-biased, non-partisan political forum, the Group treats each and every member’s position and viewpoint equally. All members are encouraged to share and discuss their viewpoints on a broad spectrum of subject matter!
High activity, 3553 members

misc.activism.progressive - join
Information for Progressive activists. (Moderated)
Medium activity, 1780 subscribers, Usenet

soc.rights.human - join
Human rights & activism (e.g., Amnesty International).
Medium activity, 337 subscribers, Usenet