Tim Fitzharris / Indian Blanket (Gaillardia pulchella) flowers and Opuntia (Opuntia sp) cactus above river, Inks Lake State Park, Texas
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Ashley Cooper / Capturing geothermal steam from boreholes to power the Svartsengi geothermal power station in Keflavik near Reykjavik in Iceland. September 2010. The power station produces electricity and supplies ho...
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Ashley Cooper / Capturing geothermal steam from boreholes to power the Svartsengi geothermal power station in Keflavik near Reykjavik in Iceland. September 2010. The power station produces electricity and supplies ho...
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Ashley Cooper / Hellisheidi geothermal power station in Hengill, Iceland. It also supplies hot water via a pipeline to Reykjavik for space heating for households and industry September 2010.
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Ashley Cooper / Hellisheidi geothermal power station in Hengill, Iceland. It also supplies hot water via a pipeline to Reykjavik for space heating for households and industry September 2010.
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Ashley Cooper / Krafla geothermal power station near Myvatn, Iceland, which produces electricity as well as supplying hot water to heat buildings in the surrounding area. September 2010.
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Ashley Cooper / Part of geothermal plant that removes water from the steam before it feeds turbines at Krafla geothermal power station near Myvatn, Iceland,September 2010.
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Ashley Cooper / Part of geothermal plant that removes water from the steam before it is fed into turbines at Krafla geothermal power station near Myvatn, Iceland,September 2010.
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Ashley Cooper / Krafla geothermal power station near Myvatn, Iceland, which produces electricity as well as supplying hot water to heat buildings in the surrounding area. September 2010.
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Ashley Cooper / Krafla geothermal power station near Myvatn, Iceland, which produces electricity as well as supplying hot water to heat buildings in the surrounding area. September 2010.
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Ashley Cooper / Control room hall of Krafla geothermal power station, which produces electricity as well as supplying hot water to heat buildings in the surrounding area. September 2010.
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Ashley Cooper / Pipes carrying steam to the steam turbines in Krafla geothermal power station. Krafla produces electricity as well as supplying hot water to heat buildings in the surrounding area. September 2010.
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Ashley Cooper / Pipes carrying steam to the steam turbines in Krafla geothermal power station. Krafla produces electricity as well as supplying hot water to heat buildings in the surrounding area. September 2010.
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Ashley Cooper / Hellisheidi geothermal power station in Hengill, Iceland. It also supplies hot water via a pipeline to Reykjavik for space heating for households and industry September 2010.
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Ashley Cooper / Hellisheidi geothermal power station in Hengill, Iceland is the worlds second largest geothermal power station. It also supplies hot water via a pipeline to Reykjavik for space heating for households...
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Ashley Cooper / Hellisheidi geothermal power station in Hengill, Iceland. It also supplies hot water via a pipeline to Reykjavik for space heating for households and industry September 2010.
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Ashley Cooper / Hellisheidi geothermal power station in Hengill, Iceland. It also supplies hot water via a pipeline to Reykjavik for space heating for households and industry September 2010.
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Ashley Cooper / Hellisheidi geothermal power station in Hengill, Iceland. It also supplies hot water via a pipeline to Reykjavik for space heating for households and industry September 2010.
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Ashley Cooper / Hellisheidi geothermal power station in Hengill, Iceland. It also supplies hot water via a pipeline to Reykjavik for space heating for households and industry September 2010.
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Ashley Cooper / Hellisheidi geothermal power station in Hengill, Iceland. It also supplies hot water via a pipeline to Reykjavik for space heating for households and industry September 2010.
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Ashley Cooper / Hellisheidi geothermal power station in Hengill, Iceland. It also supplies hot water via a pipeline to Reykjavik for space heating for households and industry September 2010.
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Ashley Cooper / A pipeline taking geothermally heated hot water from Hellisheidi geothermal power station in Hengill, to Reykjavik, Iceland. September 2010.
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Suzi Eszterhas / Aerial of geothermal energy plant, Iceland, June 2009.
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Suzi Eszterhas / Aerial view of geothermal energy plant, Iceland, June.
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Cyril Ruoso / Geothermal plant, Reykjanes peninsula, Iceland. August 2003.
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Terry Whittaker / Bjarnflag geothermal power and heating plant, Myvatn area, Iceland, July 2012.
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Terry Whittaker / Bjarnflag geothermal power and heating plant, Myvatn area, Iceland, July 2012.
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Christophe Courteau / Svartsengi power plant beside the Blue Lagoon, Krisuvik, Iceland
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Ernie Janes / Wairakei Geothermal power station, North Island, New Zealand, January 2009
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Anup Shah / Aerial view of geothermal power station in the Great Rift Valley, Olkaria, Kenya
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Yva Momatiuk & John Eastcott / Steam rising from large thermally powered Wairakei Power Station, North Island, New Zealand
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Yva Momatiuk & John Eastcott / Steam rising from large thermally powered Wairakei Power Station, North Island, New Zealand
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Enrique Lopez-Tapia / Geothermal station south of Reykjavik, Reykjanes Peninsula, Iceland. July.