Hayden is tapping renewable thermal energy to affordably heat and cool its new business park — and entice companies looking to reduce energy costs.

Geothermal isn’t tapped out it has been hard to see. On a scrubby stretch of western Nevada desert, there are no steaming ...

Nestled in a box canyon and surrounded by towering peaks, Telluride is a postcard-perfect mountain town. The historic main street features colorful Victorian buildings that tell stories of the town’s ...