Geothermal potential of old potash mine in Hanover, Germany to be investigated
Celle in Lower Saxony, Germany (source: Aleksandr Zykov / flickr, Creative Commons) A former potash salt mine in the town
Read moreCelle in Lower Saxony, Germany (source: Aleksandr Zykov / flickr, Creative Commons) A former potash salt mine in the town
Read moreRoad to Mendefera, Eritrea (source: flickr/ David Stanley, creative commons) Australian mining company Danakali is evaluating incorporating renewable energy and
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