Wairakei Thermal Power Station, Taupo, North Island, New Zealand, Pacific

Leirhnjukur thermal area and eruption site near Krafla geothermal power station, Lake Myvatn, North area, Iceland, Polar Regions

Thermal power station, Sabarmati, Ahmedabad, Gujarat, India, Asia

Craters of the Moon thermal power station, Huka, South Auckland, North Island, New Zealand, Pacific

Leirhnjukur thermal area and eruption site, near Krafla geothermal power station, Lake Myvatn, North area, Iceland, Polar Regions

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

Thermal power plant at sunset, New Zealand, Oceania

Geothermal power plant, Nesjavellir power plant, Hengill region, Iceland, Scandinavia, Northern Europe, Europe

Futuristic house, geothermal power plant, Nesjavellir power plant, Hverageri, Hengill region, Iceland, Scandinavia, Northern Europe, Europe

Geothermal power plant, Nesjavellir power plant, Hengill region, Iceland, Scandinavia, Northern Europe, Europe

Solar furnace, le Grand Four Solaire d'Odeillo, 1000 kW thermal power station, Font-Romeu-Odeillo-Via, Pyrenees-Orientales, Northern Catalonia, France, Europe, PublicGround

Steam from the countless holes and fractures in the earth's crust, the Solfatarten, behind it a geothermal power station and a factory for salt extraction, which is operated with geothermal energy, geothermal region of Gunnuhver, southern Iceland, Iceland

The geothermal Nesjavellir power station delivers energy via long pipelines and power-cables as far as Reykjavik, Iceland, Europe

Strokkur Geyser, geyser and thermal region, Iceland, Europe

Geothermal power plant, Latrabjarg, Iceland, Europe

Solar furnace, le Grand Four Solaire d'Odeillo, 1000 kW thermal power station, detailed view of the parabolic mirror, Font-Romeu-Odeillo-Via, Pyrenees-Orientales, Northern Catalonia, France, Europe, PublicGround

Incinerator and Heating Plant, Thermal power plant, designed by Friedensreich Hundertwasser, Spittelau, Vienna, Austria, Europe

Blue Lagoon geothermal spa, Iceland, Europe

Solar furnace, le Grand Four Solaire d'Odeillo, 1000 kW thermal power station, Font-Romeu-Odeillo-Via, Pyrenees-Orientales, Northern Catalonia, France, Europe, PublicGround

Solar furnace, le Grand Four Solaire d'Odeillo, 1000 kW thermal power station, detailed view of the parabolic mirror, Font-Romeu-Odeillo-Via, Pyrenees-Orientales, Northern Catalonia, France, Europe, PublicGround

Kisilverksmidja diatomaceous earthworks (diatomite, diahydro, kieselguhr) with Mt. Hliarfjall in the background, Myvatn, northern Iceland, Iceland, Atlantic Ocean

Solar furnace, le Grand Four Solaire d'Odeillo, 1000 kW thermal power station, Font-Romeu-Odeillo-Via, Pyrenees-Orientales, Northern Catalonia, France, Europe, PublicGround

Solar furnace, le Grand Four Solaire d'Odeillo, 1000 kW thermal power station, detailed view of the parabolic mirror, Font-Romeu-Odeillo-Via, Pyrenees-Orientales, Northern Catalonia, France, Europe, PublicGround

Solar furnace, le Grand Four Solaire d'Odeillo, 1000 kW thermal power station, detailed view of the parabolic mirror, Font-Romeu-Odeillo-Via, Pyrenees-Orientales, Northern Catalonia, France, Europe, PublicGround

Solar furnace, le Grand Four Solaire d'Odeillo, 1000 kW thermal power station, a concave mirror with absorber, Font-Romeu-Odeillo-Via, Pyrenees-Orientales, Northern Catalonia, France, Europe, PublicGround

Hammarbyverket heating plant in Martensdal at night, Sodra Hammarbyhamnen, Stockholm

Solar furnace, le Grand Four Solaire d'Odeillo, 1000 kW thermal power station, detailed view of the parabolic mirror, Font-Romeu-Odeillo-Via, Pyrenees-Orientales, Northern Catalonia, France, Europe, PublicGround

Blue Lagoon geothermal spa, Iceland, Europe

Solar furnace, le Grand Four Solaire d'Odeillo, 1000 kW thermal power station, a concave mirror with absorber, Font-Romeu-Odeillo-Via, Pyrenees-Orientales, Northern Catalonia, France, Europe, PublicGround

Aerial view, Krafla Geothermal Power Station, Krafla, Lake Myvatn, North Iceland, Iceland, Europe

Blue Lagoon geothermal spa, Iceland, Europe

Solar furnace, le Grand Four Solaire d'Odeillo, 1000 kW thermal power station, Font-Romeu-Odeillo-Via, Pyrenees-Orientales, Northern Catalonia, France, Europe, PublicGround

Solar furnace, le Grand Four Solaire d'Odeillo, 1000 kW thermal power station, Font-Romeu-Odeillo-Via, Pyrenees-Orientales, Northern Catalonia, France, Europe, PublicGround

Thermal power plant, Blue Lagoon, Iceland, Europe

A geothermal power plant at Myvatn in northern Iceland, Iceland, Europe

Smoke stack emissions from a natural gas thermal power station, Selkirk, Manitoba

Smoke stack emissions from a natural gas thermal power station, Selkirk, Manitoba

Concordia Station, Italian, European, French, Swiss and German flags. Tent, fire escape, containers, kerosene tanks, smoke from the power station, iridescent clouds. The station under a sky lightly covered with low, iridescent clouds. Concordia Antarctic Research Station, Dome C plateau, East Antarctica.