Scorecard.org : See How OC rates in Pollution

A good (yet seemingly old) site on Polluters/Pollution in any county - just enter your zip code and see the results!

http://www.scorecard.org/index.tcl

Also, if you have extra time and want to delve into a more complicated website, The National Pollution Prevention Roundtable is at www.p2.org (that's an easy address, huh?)