When Ed Rendell left the Pennsylvania governor's office last year after two terms, he and others said his lasting environmental lega
Look up in the Pittsburgh sky, and chances are, you'll see an over cast of clouds.
A green townhouse development now includes a model that uses net zero--and on sunny days--negative amounts of energy.
It turns out that you donít have to live in sunny California to go solar.
For the first time, Pennsylvania has dedicated a sizable chunk of state funds to the development of solar energy.
Professor Stephen Lee of Carnegie Mellon University shows host Matthew Craig the design for this year's entry for the Solar Decathlo