The Public Laboratory developed balloon mapping kit, which is used for making maps and aerial images at low cost and with ease. They started using it to map the BP oil spill in the Gulf of Mexico and are now working on civic and environmental issues. At EcoHackNYC, they experimented with new sensors for Air Quality monitoring that transmit real-time data to the ground, adding them to a balloon and learning how to use stabilizers. A new test is planned in NYC to showcase the results of this exciting project.