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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
Large heliostat EuroDish solar energy scientific research centre, Tabernas, Almeria, Andalusia, Spain, Europe
Heliostats reflecting sun rays, solar energy scientific research centre, AORA Tulip System, Tabernas, Almeria, Andalusia, Spain, Europe
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
Babbling brook in a mossy wood, Dartmoor National Park, Devon, England, United Kingdom, Europe
Happy senior man on beach with arms raised
Male Thomson's gazelle (Gazella thomsonii) fighting, Masai Mara National Reserve, Kenya, East Africa, Africa
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
Heliostats and central receiver CESA-1 Tower at 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
Solar panel array in field in countryside providing domestic energy near village of Rogil, Algarve district, Portugal, Europe
Aerial View of Solar Collectors and Wind power station, Tenerife, Spain
Tuk Tuk racing through Vientiane, Laos, Indochina, Southeast Asia, Asia
Masdar City, a carbon neutral building project relying on solar energy and other renewable power sources. Abu Dhabi, United Arab Emirates, Middle East
Old traditional windmill, Es Mercadal, Minorca (Menorca), Balearic Islands, Spain, Mediterranean, Europe
Solar farm, detail of photovoltaic power plant, Alpes-de-Haute-Provence, France, Europe
Kite surfing on Red Sea coast of Egypt, North Africa, Africa
Desalinisation plant at the solar energy scientific research centre, Tabernas, Almeria, Andalusia, Spain, Europe
Array of solar panels on a bright sunny day, Sierra Alhamilla, near Nijar, Almeria, Andalusia, Spain, Europe
Parabolic discs at the solar energy scientific research centre, Tabernas, Almeria, Andalusia, Spain, Europe
Kite surfing at Santa Maria on the island of Sal (Salt), Cape Verde Islands, Atlantic Ocean, Africa
Wind turbines just outside Mojave, California, United States of America, North America
Fireworks bull for children, San Fermin festival, Pamplona, Navarra, Spain, Europe
Visitors to an active andesite stratovolcano on White Island, off the East side of North Island, New Zealand, Pacific
Energy efficient CIEMAT building research at Solar energy research establishment near Tabernas, Almeria, Andalusia, Spain, 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
Physical Energy statue in winter, Kensington Gardens, London, England, United Kingdom, Europe
Windmills along the canal, Kinderdijk, Netherlands
Itanda Falls, Victoria Nile, Uganda, East Africa, Africa
Kite surfing at Santa Maria on the island of Sal (Salt), Cape Verde Islands, Atlantic Ocean, Africa
Electricity pylon against blue sky, Dunhuang, Gansu, China, Asia
Kite surfing on Red Sea coast of Egypt, North Africa, Africa
Mud being ejected from the caldera floor of an active andesite stratovolcano on White Island, North Island, New Zealand, Pacific
Masdar City, a carbon neutral building project relying on solar energy and other renewable power sources, Abu Dhabi, United Arab Emirates, Middle East
Small green wave, Strait of Gibraltar, Los Lances Beach, El Estrecho National Park Tarifa, Costa de la Luz, Andalucia, Spain, Europe
Aerial View of Wind power station, Tenerife, Spain
Tourists watching the stunning Murchison Falls (Kabarega Falls), Murchison Falls National Park, Uganda, East Africa, Africa
Bujagali Falls, Victoria Nile, Uganda, East Africa, Africa
Visitors watching mud being ejected from the caldera floor of an active andesite stratovolcano on White Island, North Island, New Zealand, Pacific
Mud being ejected from the caldera floor of an active andesite stratovolcano on White Island, North Island, New Zealand, Pacific
The windmills of Oland, UNESCO World Heritage Site, Sweden, Scandinavia, Europe
Coupleon beach, smiling
Statue honoring the oil industry and workers of Argentina, Caleta Olivia, Santa Cruz, Argentina, South America
Kinderdijk windmills, Holland, Europe
The caldera floor of an active andesite stratovolcano on White Island, 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
Waterfall in Whitfield Gill near Askrigg, Wensleydale, North Yorkshire, Yorkshire, England, United Kingdom, Europe
Gas or oil storage tanks, Aberdeen, Scotland, United Kingdom, Europe
Old traditional windmills, Campo de Criptana, Castilla la Mancha, Spain, Europe
Young bulls (novillos) in the main square of the village used as the Plaza de Toros, Chinchon, Comunidad de Madrid, Spain, Europe
Murchison Falls (Kabarega Falls) on the Nile, Murchison Falls National Park, Uganda, East Africa, Africa
Village of Masango, Cibitoke Province, Burundi, Africa
Horsey Mill, Norfolk, England, United Kingdom, Europe
Second Beach, Olympic National Park, UNESCO World Heritage Site, Washington, United States of America, North America
Energy efficient CIEMAT building research at Solar energy research establishment near Tabernas, Almeria, Andalusia, Spain, Europe
Volcano eruptions at the Volcano Yasur, Island of Tanna, Vanuatu, South Pacific, Pacific
Aerial View of Solar Collectors and Wind power station, Tenerife, Spain
Senior man on beach with arms raised
Turku Energy Station, Turku, Finland, Europe
Murchison Falls, Victoria Nile, Uganda, East Africa, Africa
Solar farm, Photovoltaic power plant and pylon, Alpes-de-Haute-Provence, France, Europe
Whitelee Wind Farm, near Glasgow, Scotland, United Kingdom, Europe
Dancing in the street during Holi celebration in Goverdan, Uttar Pradesh, India, Asia
Cumberland Falls on the Cumberland River, it drops 60 feet over the sandstone edge, Kentucky, USA
Aerial View of Solar Collectors near El Poris, Tenerife, Spain
Aerial View of Solar Collectors near El Poris, Tenerife, Spain
A view of Herringfleet Smock Mill at Herringfleet, Suffolk, England, United Kingdom, Europe
Woman looks at the stunning Murchison Falls (Kabarega Falls), Murchison Falls National Park, Uganda, East Africa, Africa
Murchison Falls (Kabarega Falls) on the Nile, Murchison Falls National Park, Uganda, East Africa, Africa
Iguacu Falls, Argentina, South America
A view of Thurne Mill, Norfolk Broads, Norfolk, England, United Kingdom, Europe
Puku, Busanga Plains, Kafue National Park, Zambia, Africa
Windmill in lava vineyards with Faial in distance, Pico, Azores, Portugal, Europe
Salto Grande waterfall in the Torres del Paine National Park, Patagonia, Chile, South America
Windmill, El Cotillo, Fuerteventura, Canary islands, Spain, Atlantic, Europe
Water turning to steam by subterranean heat, Islote de Hilario, Timanfaya National Park, Lanzarote, Canary Islands, Spain
The windmills of Oland, UNESCO World Heritage Site, Sweden, Scandinavia, Europe
Horses, Hacienda Gauachipelin,near Rincon de la Vieja National Park, Gaunacaste, Costa Rica
Wind surfing at Santa Maria on the island of Sal (Salt), Cape Verde Islands, Atlantic Ocean, Africa
Wind surfing at Santa Maria on the island of Sal (Salt), Cape Verde Islands, Atlantic Ocean, Africa
Gardiner Windmill, East Hampton, The Hamptons, Long Island, New York State, United States of America, North America
Model of Beebe windmill, Sag Harbor, The Hamptons, Long Island, New York State, United States of America, North America
Electric plant near Galati, Romania, Europe
Power Station, Middleburg, Pennsylvania, USA
Windmills, Campo de Criptana, La Mancha, Spain, Europe
Wind farm, Ebeltoft, Denmark, Scandinavia, Europe
Rio Paine waterfalls in the Torres del Paine National Park, Patagonia, Chile, South America
Visitors at an active andesite stratovolcano on White Island, North Island, New Zealand
Waterfall in Whitfield Gill near Askrigg, Wensleydale, North Yorkshire, Yorkshire, England, United Kingdom, Europe
Woman stretching, Monument Valley Navajo Tribal Park, Arizona Utah border, United States of America, North America
Thai-Caucasian woman, Phuket, Thailand, Southeast Asia, Asia
Murchison Falls (Kabarega Falls) on the Nile, Murchison Falls National Park, Uganda, East Africa, Africa
Old Hook Windmill, East Hampton, The Hamptons, Long Island, New York State, United States of America, North America
Empty road with power poles on both sides, Eastern Washington State, United States of America, North America
A view of St. Benet's Mill, Norfolk Broads, Norfolk, England, United Kingdom, Europe
Murchison Falls (Kabarega Falls) on the Nile, Murchison Falls National Park, Uganda, East Africa, Africa
Kinderdijk windmills, Holland, Europe