NN.COM › Earth Matters › Energy Now is the time to invest in real geothermal energy Thousands of drilling rigs are idle. Why not put laid-off roustabouts to work drilling for renewable energy? By: Lloyd Alter Sun, Feb 22, 2015 at 12:17 PM 13Facebook 52Twitter 0Pinterest 0Google+  Hey, if we can drill for oil, we can drill for heat. (Photo: Getty Images, Roustabouts at Spindletop) In a recent post on ground source heat pumps, I purposely used a photo of a geothermal installation in Iceland to make the point that geothermal energy was a very different thing. Many complained...