##Tool reviews, Jan 18, 2012##

* [Balloon mapping review](/wiki/balloon-mapping-review)
* [Near-infrared camera review](/wiki/near-infrared-camera-review) 
* [Thermal photography review](/wiki/thermal-photography-review) 
* [Spectrometer review](/wiki/spectrometer-review) 
* [Environmental estrogen testing](/wiki/environmental-estrogen-testing-review) 
* [Indoor air quality mapping review](/wiki/indoor-air-quality-mapping-review) 
* [H2S sensing review](/wiki/hydrogen-sulfide-sensing-review)