City names are a unique identity marker that mark people, geography, and language. Discover different cool city names that reflect culture, heritage and history.

When energy costs go up, building managers turn off their pricey chillers and use the ice to keep things cool. A typical ...

These underground reservoirs of steam and hot water can be tapped to generate electricity or to heat and cool buildings directly. 4 min read Geothermal energy has been used for thousands of years ...