##Popular activities in the Public Lab community:##

**Flying Balloons/Kites with Cameras:**

* over beaches to track pollution at the shoreline

* over wetlands to track loss or restoration over time

* over urban waterways to track sewage in the water and discover what vegetation thrives on the edge. 

* over contested urban areas to map local inhabitants narratives and perception of space. 

**Reading Rainbows AKA Spectroscopy**

* measure contaminants from gas flares with a spectrometer backpack on your smartphone

##Related##

See also the idea of organizing activity guides according to environmental issues, e.g., "The Oil Spill Toolkit": http://publiclab.org/wiki/oil-response-toolkit-planning