What you should know this week, from the amazing EarthTime and the Breathe Project to the City of Tomorrow Challenge and Pittsburgh becoming a destination for China.
Cameras will monitor pollution from 3 Mon Valley US Steel plants in near real-time, validating and helping monitor air quality concerns.
Our frequency of high particle pollution "spikes" was above any county east of Utah, and we're among the regions seeing higher particle levels year-round.
With research mounting about the health risks of polluted air, a new website offers hard data, opportunities for involvement and even a Breathe Cam.
New app SpeckSensor monitors air quality throughout region using data from federal air and lets them compare data to other cities.