Grassroots Mapping is a series of participatory mapping projects involving communities in cartographic dispute. Seeking to invert the traditional power structure of cartography, the grassroots mappers used helium balloons and kites to loft their own “community satellites” made with inexpensive digital cameras.

This site has been merged into Public Lab

At Public Lab, we've grown the Grassroots Mapping community into a broader effort to enable communities to understand and respond to environmental threats with DIY techniques.

Read more and join us »

Gulf Oil Spill Volunteer Signup

May 9th, 2010 by Stewart Long

Want to go out to the Gulf Coast to map the oil slick using balloons and kites? Sign up here! Please note if you have interest in leading trips; we need trip leaders most – you’ll need to commit to lead at least 2-3 trips over a couple weeks. Read more about our efforts here on our organization page

Also review our calendar of upcoming trips: