832-378278 - Natural gas is flared off as oil is pumped in the Bakken shale formation; the gas is burned because no pipelines have been built to transport it to market, Watford City, North Dakota, United States, North America

911-6864 - Krafla geothermal power station near Myvatn, Iceland, Polar Regions

911-7479 - A workman measures the depth of the borehole at a geothermal energy project by Newcastle University, funded by the Department of Energy and Climate Change, Newcastle, Tyne and Wear, England, United Kingdom, Europe

911-6896 - Krafla geothermal power station near Myvatn, Iceland, Polar Regions

911-6893 - Krafla geothermal power station near Myvatn, Iceland, Polar Regions

911-6812 - Capturing geothermal steam from boreholes to power the Reykjanes geothermal power station near Reykjavik in Iceland, Polar Regions

911-6801 - Capturing geothermal steam from boreholes to power the Svartsengi geothermal power station in Keflavik near Reykjavik in Iceland, Polar Regions