This module aims to present the essence of economic activity in a social innovation context. Students become first acquainted with how social innovation is applied to develop effective solutions that address key challenges for their community regarding multiple environmental and social aspects and then learn about the traits needed in the social entrepreneur’s work and the key elements to consider when starting the social business adventure. In a nutshell, the module provides the foundations on how students can start a social enterprise to deal with an environmental and social challenges in their community by putting a social entrepreneurial idea into practice.