Presentation from the “Uncomfortable Data” session of the “Our World, Our Data” conference held at at MIT Media Lab on April 30, 2017. Organized by Safecast with sponsorship from the Shuttleworth Fund. Many thanks to Joi Ito, Director of the MIT Media Lab, and Ethan Zuckerman and Lorrie LeJeune of The Center for Civic Media. https://www.media.mit.edu/events/our-world-our-data/