Abstract: | Grassroots associations are locally based, significantly autonomous, volunteer-run, formal nonprofit groups that manifest significant voluntary altruism as a group. They use the associational form of organization and thus have an official membership of volunteers who perform all or nearly all of the work done in and by these nonprofits. This report reviews some of what is known about how grassroots associations achieve external impacts (impacts on their environment). The preceding issue of this journal (volume 9, issue 4) contains a similar review article for internal impact (impact on members). The method used is a comprehensive literature review. |