Crowdsourcing Constructing and Collaborating brings together individuals and groups engaged in building and sustaining platforms for online collaboration and participation to explore and reflect on the methods challenges and potentials of the technology of crowdsourcing and mapping of social impact It brings together people directly involved in a range of projects from around the world I Paid A Bribe Environmental Justice Atlas HarassMap Intolerance Tracker Visualizing Palestine and Humanitarian Tracker to critically reflect on the tactics methods challenges and opportunities of crowdsourcing and crowd mapping as tools for social environmental and political change In an accessible and visually engaging style it shows how participatory digital media become crucial components of journalistic scholarly and activist practices addressing a range of topical challenges including economic corruption sexual harassment political violence and environmental conflict in diverse geographic contexts