This diagonal skyscraper is energy efficient

It may seem strange to call 1,125-foot skyscraper efficient, given the energy it takes to build such a monumental structure.

How to build a net-zero-energy house without breaking the bank

A majority of the highly energy-efficient homes you see on Earthtechling’s pages cost more to build than the average new US home.

Energy efficient fridge gets all swanky

In the market for a high end, high efficiency refrigerator that will impress all your friends? 

Samsung has just the thing: its two-door refrigerator created by Massimo Zucchi, an Italian jewelry designer.