Public Lab is currently featuring the following topics, please note that this list changes over time: 
[Agriculture](/tag/agriculture)
[Air quality](/tag/air-quality)
[Climate change](/tag/climate-change)
[Disaster response](/tag/disaster-response)
[Indoor air quality](/tag/indoor-air-quality)
[Land use](/tag/land-use)
[Lead](/tag/lead)
[Microplastics](/tag/microplastics)
[Noise](/tag/noise)
[Odor](/tag/odor)
[Oil and gas](/tag/oil-and-gas)
[Soil](/tag/soil)
[Stormwater](/tag/stormwater)
[Transportation](/tag/transportation]
[Waste](/tag/waste)
[Water quality](/tag/water-quality)
[Wetlands](/tag/wetlands)

Many of these pages are incomplete or don't yet exist, but we're working collaboratively to organize this open knowledge base. If you're interested in helping out, see this [guide to writing a topic page on PublicLab.org](/notes/warren/03-22-2019/writing-a-topic-page-on-publiclab-org).

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| Major topics | Subtopics |
|------|------|
| [Water](/water-quality) | [drinking-water](/drinking-water) <br> [fracking](/fracking) <br> [microplastics](/microplastics) <br> [lead](/lead) <br> [mining](/mining) <br> [agriculture](/agriculture) <br> [oil-and-gas](/oil-and-gas)<br> [filters](/filters) |
| [Soil](/soil) | [lead](/lead) <br> [mining](/mining) <br> [agriculture](/agriculture) <br> [oil-and-gas](/oil-and-gas) |
| [Air](/air-quality) | [indoor-air](/indoor-air) <br> [formaldehyde](/formaldehyde) <br> [dust](/dust) <br> [particulate-matter](/particulate-matter) <br> [oil-and-gas](/oil-and-gas) <br> [transportation](/transportation) <br> [filters](/filters) |
| [Industry](/industry) | [land-use](/land-use) <br> [land-change](/land-change) <br> [particulate-matter](/particulate-matter) <br> [oil-and-gas](/oil-and-gas) <br> [transportation](/transportation) <br> [mining](/mining) <br> [agriculture](/agriculture) <br> [waste](/waste) <br> [noise](/noise) <br> [chemicals](/chemicals) <br> [pipeline-monitoring](/pipeline-monitoring) <br> [cafo](/cafo) |
| [Climate](/climate) | [stormwater](/stormwater) <br> [land-change](/land-change) <br> [particulate-matter](/particulate-matter) <br> [oil-and-gas](/oil-and-gas) |
| [Organizing](/organizing) | [advocacy](/advocacy) <br> [community-organizing](/community-organizing) <br> [legal](/legal) <br> [public-comment](/public-comment) [host-an-event](/host-an-event) |
| [Monitoring](/monitoring) | [air-sensors](/air-sensors) <br> [water-sensors](/water-sensors) <br> [balloon-mapping](/balloon-mapping) <br> [study-design](/study-design) <br> other [methods](/methods) |