Jon Costanza Profiled in Grid Philly 2009 Issue!

These days, when Jon Costanza talks to groups about the benefits of solar power, he starts off with his ponytail tucked up out of sight. His audiences, consisting of many people dressed in business suites, often look far more conservative than those he addressed decades ago. Back then, audiences looked a lot more like him, Costanza likes to point out as he lets his ponytail down.

Read the full article by pasting this link into your browser: http://www.nxtbook.com/nxtbooks/redflag/gridphilly_200905/#/10
(Page 10)