VOLUME 25, NO. 2
GSHP Value Rising
By Piljae Im, Xiaobing Liu and Jeff Munk In an East Tennessee demonstration project, Oak Ridge National Lab and partners evaluate two ground-source heat pump technologies that together promise to reduce the up-front investment and increase energy cost savings.
Harnessing the Sun, Lakota Style
By Mike Koshmrl
On the Pine Ridge Reservation in South Dakota, solar air heating helps ease crippling winter heating bills, while providing jobs.
A Little Co-op and How It Grew
By Robert Robinson
In Washington, D.C., a group of neighbors banded together to win the fight for residential solar.