Credit Chris Orchard

The Somerville Chamber of Commerce's B2Green Expo, held Thursday at the Holiday Inn on Washington Street, featured a number of the city's environmentally friendly businesses and organizat...

Credit Amanda Zantal-Wiener

Editor's note: The following was provided by the Green Streets Initiative: The Walk/Ride Day Challenge is: A fun competition among Boston area employers to encourage colleagues ...

Credit Travis Lowry

Spend enough time in Somerville traffic and you might find yourself gawking at an adult on a giant, load-hauling tricycle. Since 2007, Union Square-based Metro Pedal Power pedal-trucks ha...