Drastic air quality improvements over the last 50 years


[ Follow Ups ] [ Post Followup ] [ KillCarb Forum ]

Posted by Phil on August 27, 2009 at 17:22:35


I hate over-regulation just as much as the next guy, but the air quality in California has improved dramatically over the last 50 years or so...even with a pretty good increase in population.


Follow Ups: