GET UNDER MY LAWN: Drill rigs like this one can operate at 8 feet and — paired with an operator trained specifically for the job — can suffice for many residential geothermal direct exchange projects.

As early as 3000 BC, civilizations began to create codes for public order and safety. The Code of Hammurabi, the old “eye for an eye” law many are familiar with, also included laws for safe building ...

BRIGHTON, COLO. — One of Colorado’s largest geothermal projects is soon drawing to a close. When finished, Solaire Apartments, in Brighton, Colo., will be entirely heated and cooled by ground-source ...

A simpler design than the one described above, it burrows some 2.4 km (1.5 mi) deep into the crust, runs along 2 km (1.2 miles) laterally, rises back up and then returns to the original site via a ...