"Since Chicago installed a 20,000 square foot "green roof" atop City Hall five years ago, the city has saved about $25,000 in energy costs."

Green roof saves green in Chicago - Nightly News with Brian Williams - MSNBC.com

In Pittsburgh our mayor is turning all city deisle vehicles, starting with the trash trucks, to biodeisle. Apparently it is not costly to convert and is a step in the right direction even if it's not the ultimate fuel solution. I'm proud of our mayor. He's the youngest mayor in the country.

-Jessica