section gains more international attendance, the link between collective behavior and social movements has become more obscure, given that the traditional American sociological link between the two areas is tenuous for non-US academics. Critical Mass The newsletter of the CBSM section is Critical Mass. In the areas of physics and chemistry, critical mass refers to the amount of fissile material needed for nuclear fission. Drawing upon this meaning, social movement scholars and activists use the term critical mass in reference to the idea that some threshold of participants or action must be crossed in order for a social movement to burst into existence. Fittingly, the newsletter and its title pre-dated the formation of the CBSM section, which was itself borne out of action and movement. Awards The CBSM section of the ASA gives the following awards: Charles Tilly Award for Best Book: Established in 1986, this award recognizes a significant published contribution in the field of collective behavior and social movements. Mayer Zald Outstanding Graduate Student Paper Award: Established in 1992, this award is given to recognize work done in the field by those who specifically do not have a PhD. Best Published Article Award: Established in 2002, this award recognizes articles and chapters from edited books published in the year prior to the award year. Exceptional Service Award: As of 2014, this award has been given once, in 2003. The recipient was Hank Johnston, who established and edited Mobilization, an academic journal that is closely tied to the CBSM section. See also Civil resistance Counterculture of the 1960s Countermovement Global citizens movement List of social movements Nonviolent resistance Political movement Reform movement Revolutionary movement Social equality References Sociological organizations Sociological theories Social movements American Sociological Association