Public Lab is an open community which collaboratively develops accessible, open source, Do-It-Yourself technologies for investigating local environmental health and justice issues.
The Northern California region has held a number of balloon mapping and other Public Lab events, and has an active mailing list where members organize and announce events.
* [Stewart Long](/profile/gonzoearth) (Oakland, CA)
* [Pat Coyle](/profile/patcoyle) (Livermore, CA)
* Mathew Xi (Oakland)
* [Michele Tobias](/profile/MicheleTobias) (Davis, CA)