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.

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Grassroots Mapping Wiki launched

December 8th, 2009 by Jeffrey Warren

Hello all! I just put up a wiki at wiki. as a place to organize and share tips and techniques for making low-cost, participatory maps, whether by GPS, balloon photography, or sextant. Feel free to edit, improve, adapt!