A new survey finds that for the first time, Massachusetts has replaced California as when it comes to promoting energy efficiency.
The current session of Lights Out will run until the end of October, which is the end of the fall migration season.
The Energy Department’s Solar Decathlon features full-sized homes built on the National Mall in Washington.
Carver residents fear the green light for green energy will change their neighborhoods forever.
Massachusetts is unveiling a rebate program designed to help residents pay for solar hot water projects.