Stop Huntingdon Animal Cruelty (SHAC) was an international animal rights campaign formed in 1998 after the BBC broadcasted a graphic documentary alleging mistreatment of animals by Huntingdon Life Sciences (HLS), a British-based research firm. In response, outraged... Read more

The Animal Liberation Front (ALF) is the United States' most active extreme animal rights movement. Composed of anonymous underground cells that oppose any form of animal experimentation and perceived mistreatment, ALF aims to rescue animals from "places... Read more

The Earth Liberation Front (ELF) is the environmental counterpart to the Animal Liberation Front (ALF). Modeled after ALF, ELF consists of "autonomous groups of people" who are "anonymous not only to the public but also to one... Read more

On the extreme right, bread pill refers to embracing traditional Christian values (re gender roles and family). On the extreme left, it refers to joining the ranks of anarcho-communists.

SHARP is an acronym for Skinheads Against Racial Prejudice, a term used to refer to left-wing, anti-racist skinheads.

A decentralized, leaderless movement composed of loose collections of groups, networks and individuals who are vigorously opposed to fascism, and focused on countering right-wing extremists both online and on the ground. While some antifa adherents have engaged... Read more

Earth First! is the environmentalist group from which the eco-terrorist group, Earth Liberation Front (ELF) evolved. Dave Foreman, a former lobbyist for the Wilderness Society and several other activists influenced by more militant organizations, founded Earth First... Read more