energy harvest Archives – The Green Optimistic green tech news, since 2008 Thu, 30 Jul 2009 18:47:56 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Unused Old Mines Could Be Used as Geothermal Power Sources https://www.greenoptimistic.com/unused-old-mines-could-be-used-as-geothermal-power-sources-20090730/ https://www.greenoptimistic.com/unused-old-mines-could-be-used-as-geothermal-power-sources-20090730/#comments Thu, 30 Jul 2009 18:47:56 +0000 https://www.greenoptimistic.com/?p=4205 Geothermal energy has a lot of potential worldwide. As it is not dependent on many factors, geothermal energy could be the cleanest power source of near future. Two scientists from University of Oviedo, Spain, have concluded that geothermal energy could be provided by mine shafts.

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