Geothermal technology has been around for decades, it works, and it's increasingly affordable. At colleges that must maintain dozens of large buildings, the savings are magnified.
Those involved in the decision to pursue geothermal technology say they wanted to use less coal-fired power, although the schools also had to save money to justify the move.
The technology is a natural fit for schools like Boise State that sit atop geothermal springs. The school recently announced it expects to save as much as $80,000 per year in heating costs by doing so, and even more as the project expands.
Yet schools in the Midwest...