摘要：This essay analyzes the processes of innovation and diffusion of sustainable social practices in grassroots innovation niches. To do so, it brings elements from social practice theory (SPT), which offers a new perspective on the understanding of the diffusion of innovations. It starts by reviewing the classical studies on diffusion of innovations, the multilevel perspective and the SPT, followed by an exploration of the ways in which SPT can be applied to the studies on diffusion of sustainable social practices in grassroots innovation niches, using as example the case of the ecovillage movement.
关键词：diffusion of innovations;grassroots innovations;social practice theory;ecovillages;sustainability;difusão de inovações;inovações sociais;práticas sociais;ecovilas;sustentabilidade
