
For buildings of comparable size and use, old buildings are almost always the greenest buildings.

A new study shows that rivers help cool cities when they need it most, during the hottest hours of the warmest months.

Greater energy efficiency means more money to spend on health care, education, and basics like groceries. And Massachusetts is leading the way.

Significant reductions in energy use might not require physical retrofitting.

At Vermont’s Green Mountain College, students designed and built a chicken coop that helps heat the college farm's greenhouse.
A few months ago, the city of New York announced it would funnel 20 million Stimulus dollars into the construction of a shopping mall in downtown...
Does a place where you can live, work and play all within easy walking distance of each other sound like a good idea? We we would like to know...