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Mud being ejected from the caldera floor of an active andesite stratovolcano on White Island, North Island, New Zealand, Pacific
Boiling mud at an active andesite stratovolcano on White Island, off the east side of North Island, New Zealand, Pacific
An active andesite stratovolcano on White Island, off the east side of North Island, New Zealand, Pacific
An active andesite stratovolcano on White Island, off the east side of North Island, New Zealand, Pacific
Visitors to an active andesite stratovolcano on White Island, off the East side of North Island, New Zealand, Pacific
Second Beach, Olympic National Park, UNESCO World Heritage Site, Washington, United States of America, North America
Traditional house with a solar panel in the Sahara Desert, Algeria, North Africa, Africa
Osprey (Pandion haliaetus) exiting a small pond with its huge wings extended to create the energy to lift with a large fish, Pirkanmaa, Finland, Scandinavia, Europe
Energy efficient CIEMAT building research at Solar energy research establishment near Tabernas, Almeria, Andalusia, Spain, Europe
Barragem do Alqueva, Rio Guadiana river, Alqueva dam hydroelectric power, Moura, Portugal, Europe
Barragem do Alqueva, Rio Guadiana river, Alqueva dam hydroelectric power, Moura, Portugal, Europe
Peculiar pipework built over the road, Krafla Power Station, is the largest Geothermal power station in Iceland, Polar Regions
Barragem do Alqueva, Rio Guadiana river, Alqueva dam hydroelectric power, Moura, Portugal, Europe
Barragem do Alqueva dam, part of the multipurpose water management project on the Rio Guadiana river, hydro-electricity generation electricity power lines, Moura, Portugal, Europe
Traffic trails at night on busy road in Tokyo, Japan
Masdar City, a carbon neutral building project relying on solar energy and other renewable power sources, Abu Dhabi, United Arab Emirates, Middle East
Babbling brook in a mossy wood, Dartmoor National Park, Devon, England, United Kingdom, Europe
Rocky stream at Tavy Cleave, Dartmoor, Devon, England, United Kingdom, Europe
Babbling brook in a mossy wood, Dartmoor National Park, Devon, England, United Kingdom, Europe
Wind turbines just outside Mojave, California, United States of America, North America
Wind turbines just outside Mojave, California, United States of America, North America
Storm force Levante winds blowing the tops of waves, Strait of Gibraltar, Estrecho Natural Park, Los Lanses beach, Tarifa, Costa de la Luz, Andalucia, Spain, Europe
Storm force Levante winds blowing the tops of waves, Strait of Gibraltar, Estrecho Natural Park, Los Lanses beach, Tarifa, Andalucia, Costa de la Luz, Spain, Europe
Small green wave, Strait of Gibraltar, Los Lances Beach, El Estrecho National Park Tarifa, Costa de la Luz, Andalucia, Spain, Europe
Waterfall in Whitfield Gill near Askrigg, Wensleydale, North Yorkshire, Yorkshire, England, United Kingdom, Europe
View of Punta Suarez, Espanola Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Low Force in Upper Teesdale, County Durham, England
Mount Bromo (Gunung Bromo), an active volcano, erupting at sunrise throwing up ash clouds, East Java, Indonesia, Southeast Asia, Asia
Bromo volcano crater on Java, Indonesia, Southeast Asia, Asia
Volcano eruptions at the Volcano Yasur, Island of Tanna, Vanuatu, South Pacific, Pacific
Breaching humpback whale (Megaptera novaeangliae), Ecuador, South America
View of massive wind turbines in a wind farm near Smola Island, Norway, Scandinavia, Europe
Gas or oil storage tanks, Aberdeen, Scotland, United Kingdom, Europe
The windmills of Oland, UNESCO World Heritage Site, Sweden, Scandinavia, Europe
Parabolic discs at the solar energy scientific research centre, Tabernas, Almeria, Andalusia, Spain, Europe
Solar panel array in field in countryside providing domestic energy near village of Rogil, Algarve district, Portugal, Europe
Physical Energy statue in winter, Kensington Gardens, London, England, United Kingdom, Europe
Windmills along the canal, Kinderdijk, Netherlands
Village of Masango, Cibitoke Province, Burundi, Africa
Heliostats at the solar energy scientific research centre, Tabernas, Almeria, Andalusia, Spain, Europe
Views of cruise ships in Port of Barcelona from the Montjuic Castle old military fortress on Montjuic Mountain overlooking the city, Barcelona, Catalonia, Spain, Europe
Curved concave reflector panels desalinisation plant at the solar energy scientific research centre, Tabernas, Almeria, Andalusia, Spain, Europe
Large heliostat EuroDish solar energy scientific research centre, Tabernas, Almeria, Andalusia, Spain, Europe
Food being cooked on volcanic grill at visitor centre, Parque Nacional de Timanfaya, national park, Lanzarote, Canary Islands, Atlantic, Europe
Rustic stone bridge over a flowing stream with mossy rocks in a lush, green landscape in the Lake District, Cumbria, England, United Kingdom, Europe
Old traditional windmill, Es Mercadal, Minorca (Menorca), Balearic Islands, Spain, Mediterranean, Europe
Kite surfing at Santa Maria on the island of Sal (Salt), Cape Verde Islands, Atlantic Ocean, Africa
Desalinisation plant at the solar energy scientific research centre, Tabernas, Almeria, Andalusia, Spain, Europe
Windmill and garden at Centro de Artesania Molinos de Antigua, Fuerteventura, Canary Islands, Spain, Atlantic, Europe
Heliostats and central receiver CESA-1 Tower at solar energy scientific research centre, Tabernas, Almeria, Andalusia, Spain, Europe
Curved concave reflector panels desalinisation plant at the solar energy scientific research centre, Tabernas, Almeria, Andalusia, Spain, Europe
Heliostats reflect sunrays to receiver tower, solar energy scientific research centre, AORA Tulip System, Tabernas, Almeria, Andalusia, Spain, Europe
Array of solar panels on a bright sunny day, Sierra Alhamilla, near Nijar, Almeria, Andalusia, Spain, Europe
Heliostats reflecting sun rays, solar energy scientific research centre, AORA Tulip System, Tabernas, Almeria, Andalusia, Spain, Europe
Kite surfing on Red Sea coast of Egypt, North Africa, Africa
Tourists watching the stunning Murchison Falls (Kabarega Falls), Murchison Falls National Park, Uganda, East Africa, Africa
Old traditional windmills, Campo de Criptana, Castilla la Mancha, Spain, Europe
Coupleon beach, smiling
Bujagali Falls, Victoria Nile, Uganda, East Africa, Africa
Artesian well at Fayagua, between Pajara and La Pared, Fuerteventura, Canary Islands, Spain, Atlantic, Europe
Iguacu Falls, Argentina, South America
Murchison Falls (Kabarega Falls) on the Nile, Murchison Falls National Park, Uganda, East Africa, Africa
Kinderdijk windmills, Holland, Europe
Empty road with power poles on both sides, Eastern Washington State, United States of America, North America
Solar farm, Photovoltaic power plant and pylon, Alpes-de-Haute-Provence, France, Europe
Energy efficient CIEMAT building research at Solar energy research establishment near Tabernas, Almeria, Andalusia, Spain, Europe
Parabolic discs at the solar energy scientific research centre, Tabernas, Almeria, Andalusia, Spain, Europe
Volcano eruptions at the Volcano Yasur, Island of Tanna, Vanuatu, South Pacific, Pacific
Windmill in lava vineyards with Faial in distance, Pico, Azores, Portugal, Europe
Horsey Mill, Norfolk, England, United Kingdom, Europe
Windmill, El Cotillo, Fuerteventura, Canary islands, Spain, Atlantic, Europe
Cumberland Falls on the Cumberland River, it drops 60 feet over the sandstone edge, Kentucky, USA
A view of Herringfleet Smock Mill at Herringfleet, Suffolk, England, United Kingdom, Europe
Young bulls (novillos) in the main square of the village used as the Plaza de Toros, Chinchon, Comunidad de Madrid, Spain, Europe
Woman looks at the stunning Murchison Falls (Kabarega Falls), Murchison Falls National Park, Uganda, East Africa, Africa
Murchison Falls, Victoria Nile, Uganda, East Africa, Africa
Salto Grande waterfall in the Torres del Paine National Park, Patagonia, Chile, South America
Dancing in the street during Holi celebration in Goverdan, Uttar Pradesh, India, Asia
Wind surfing at Santa Maria on the island of Sal (Salt), Cape Verde Islands, Atlantic Ocean, Africa
Windmills, Campo de Criptana, La Mancha, Spain, Europe
Windmills, Campo de Criptana, La Mancha, Spain, Europe
Wind farm, Ebeltoft, Denmark, Scandinavia, Europe
Murchison Falls (Kabarega Falls) on the Nile, Murchison Falls National Park, Uganda, East Africa, Africa
Windmill at City Beach Park, Oak Harbor, Whidbey Island, Washington State, United States of America, North America
Whitelee Wind Farm, near Glasgow, Scotland, United Kingdom, Europe
Waterfall in Whitfield Gill near Askrigg, Wensleydale, North Yorkshire, Yorkshire, England, United Kingdom, Europe
Power Station, Middleburg, Pennsylvania, USA
A view of Thurne Mill, Norfolk Broads, Norfolk, England, United Kingdom, Europe
Murchison Falls (Kabarega Falls) on the Nile, Murchison Falls National Park, Uganda, East Africa, Africa
Gardiner Windmill, East Hampton, The Hamptons, Long Island, New York State, United States of America, North America
Kinderdijk windmills, Holland, Europe
Horses, Hacienda Gauachipelin,near Rincon de la Vieja National Park, Gaunacaste, Costa Rica
Senior man on beach with arms raised
A view of St. Benet's Mill, Norfolk Broads, Norfolk, England, United Kingdom, Europe
Puku, Busanga Plains, Kafue National Park, Zambia, Africa
Rhine Falls, Schaffhausen, Switzerland, Europe
Wind farm, La Muela, Zaragoza, Aragon, Spain, Europe
Model of Beebe windmill, Sag Harbor, The Hamptons, Long Island, New York State, United States of America, North America
Rio Paine waterfalls in the Torres del Paine National Park, Patagonia, Chile, South America
Water turning to steam by subterranean heat, Islote de Hilario, Timanfaya National Park, Lanzarote, Canary Islands, Spain