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Iguacu Falls, Argentina, South America
Iguacu Falls, Parana State, Brazil, South America
Iguacu Falls, Argentina, South America
Iguacu Falls, Argentina, South America
The Trans Alaska Oil Pipeline running on refridgerated support to stop oil heat melting the permafrost,Mount Hayes (4116m) and the Alaska Range in the background, Alaska, USA
Canaima Lagoon and falls, Canaima National Park, Venezuela, South America
Geo-thermal power plant, Svartsengi, Iceland
Ferrybridge Power Station, North Yorkshire, UK
Victoria Falls, Zimbabwe, Africa
Iguacu Falls, Brazil, South America
The Krimml Falls, Salzburg, Austria, Europe
Drax Power Station, North Yorkshire, England, UK
Strokkur Geyser erupting at Geysir, South West area, Iceland, Polar Regions
Strokkur Geyser, Iceland, Polar Regions
Aerial view of the Hoover Dam and Lake Mead, Nevada, USA, North America
Pohutu Geyser at Whakarewarewa, Rotorua, South Auckland, North Island, New Zealand, Pacific
Cactus silhouetted against lightning, Tucson, Arizona, United States of America (U.S.A.), North America
Drax coal fired power station, North Yorkshire, England, United Kingdom, Europe
Glacier ice melting and icebergs at Perito Moreno, Moreno Glacier, Parque Nacional Los Glaciares, UNESCO World Heritage Site, Patagonia, Argentina, South America
Dung beetle pushing a ball of dung, Masai Mara National Reserve, Kenya, East Africa, Africa
Dung beetle rolling a dung ball, Kruger National Park, South Africa, Africa
Kite surfing, Maldives, Indian Ocean, Asia
Male Thomson's gazelle (Gazella thomsonii) fighting, Masai Mara National Reserve, Kenya, East Africa, Africa
Cheetah (Acinonyx jubatus), Masai Mara National Reserve, Kenya, East Africa, Africa
Itanda Falls, Victoria Nile, Uganda, East Africa, Africa
Bujagali Falls, Victoria Nile, Uganda, East Africa, Africa
Man standing on the top of dunes with arms raised, Gran Canaria, Spain, Europe
Man jumping into tropical sea from deck, Maldives, Indian Ocean, Asia
Wind farm, La Muela, Zaragoza, Aragon, Spain, Europe
China's largest wind turbine farm near Urumqi, Xinjiang Province, China, Asia
Windmills, Kinderdijk, UNESCO World Heritage Site, Netherlands, Europe
Aerial image of wind farm at Kirkby Moor, Cumbria, England, United Kingdom, Europe
Desalinisation plant at the solar energy scientific research centre, Tabernas, Almeria, Andalusia, Spain, Europe
Heliostats at the solar energy scientific research centre, Tabernas, Almeria, Andalusia, Spain, Europe
Traditional house with a solar panel in the Sahara Desert, Algeria, North Africa, Africa
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
Heliostats reflecting sun rays, solar energy scientific research centre, AORA Tulip System, Tabernas, Almeria, Andalusia, Spain, Europe
View of massive wind turbines in a wind farm near Smola Island, Norway, Scandinavia, Europe
Solar panel array in field in countryside providing domestic energy near village of Rogil, Algarve district, Portugal, Europe
Curved concave reflector panels 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
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
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
Heliostats and central receiver CESA-1 Tower at solar energy scientific research centre, Tabernas, Almeria, Andalusia, Spain, Europe
Barragem do Alqueva, Rio Guadiana river, Alqueva dam hydroelectric power, Moura, Portugal, Europe
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
Power Station, Middleburg, Pennsylvania, USA
Murchison Falls, Victoria Nile, Uganda, East Africa, Africa
Cumberland Falls on the Cumberland River, it drops 60 feet over the sandstone edge, Kentucky, USA
Puku, Busanga Plains, Kafue National Park, Zambia, Africa
Wind farm, Ebeltoft, Denmark, Scandinavia, Europe
Wind farm, La Muela, Zaragoza, Aragon, Spain, Europe
Krafla geothermal power station near Lake Myvatn, Reykjahlid, Iceland, Polar Regions
Hoover Dam on the Colorado River forming the border between Arizona and Nevada, United States of America, North America
Hoover Dam on the Colorado River forming the border between Arizona and Nevada, United States of America, North America
Wind farm, La Muela, Zaragoza, Aragon, Spain, Europe
Sipi Falls, Mount Elgon, Uganda, East Africa, Africa
Wind turbines in South Jutland, Denmark, Scandinavia, Europe
Hoover Dam on the Colorado River forming the border between Arizona and Nevada, United States of America, North America
Iguacu Falls, Argentina, South America
Elephant, Loxodonta africana, bull in close up at water in Addo Elephant National park, Eastern Cape, South Africa
Elephants, Loxodonta africana, socialising in Addo Elephant National park, Eastern Cape, South Africa
White rhino, Ceratotherium simum, in Pilanesberg game reseeve, North West Province, South Africa
Ardnamurchan Lighthouse, at the westernmost point of the British mainland, west coast, Scotland, United Kingdom, Europe
Hiker running on trail and the Matterhorn, 4477m, Zermatt Alpine Resort, The Valais, Swiss Alps, Switzerland, Europe
El Tatio Geysers, at 4300m above sea level El Tatio is the world's highest geyser field, the area is ringed by volcanoes and fed by 64 geysers, Atacama Desert, Norte Grande, Chile, South America
Three Buddhist monks carry firewood high above the mountain village of Khare, Khumbu Region, Nepal, Himalayas, Asia
A woman climbing on cliffs opposite Cathedral Rock, near El Capitan, Yosemite Valley, California, United States of America, North America
A climber hangs above the sea on the huge west face of Dun Mingulay cliff, Mingulay Island, Outer Hebrides, Scotland, United Kingdom, Europe
An ice climber makes his way up a frozen waterfall near Cogne, above the Aosta Valley, northern Italy, Europe
A climber looks up towards the 800 metre Tsaranoro Be (Big Tsaranoro) Monolith, Andringitra National Park, Southern Madagascar, Africa
A climber tackles a difficult boulder problem on the glacial moraine at Tangnag, near Mera Peak and Mount Everest, Khumbu Region, Nepal, Himalayas, Asia
Rock climber tackles a very overhanging route on the famous limestone cliffs of the Gorge du Tarn in the Massif Central, near Millau and Rodez, south west France, Europe
Climber makes a solo ascent of one of the thousands of classic outcrop climbs on the popular cliff of Stanage Edge, near Hathersage, Peak District, Derbyshire, England, United Kingdom, Europe
Wind turbines on Bodmin Moor, near Bodmin, Cornwall, England, United Kingdom, Europe
Two rock climbers making their way up a very difficult route on the 450 metre monolith of Karimbony, Tsaranoro Massif, Andringitra National Park, Southern Madagascar, Africa
A hiker enjoys solitude in the hills above Hay-on-Wye, on the eastern edge of the Brecon Beacons National Park, Monmouthshire, Wales, United Kingdom, Europe
Blue wildebeest (brindled gnu) (Connochaetes taurinus) herd running, Ngorongoro Conservation Area, Tanzania, East Africa, Africa
SUV covered in green grass portraying an enviro-friendly automobile, Quebec, Canada, North America
Surfer memorial, Nazare, Oeste, Portugal, Europe
Man doing kangoo jumps training, Zona Rosa area, Bogota, Colombia, South America
Trams travelling near the harbour, Helsinki, Finland, Europe
Young cyclist by tram in a street in Helsinki ,Finland, Europe
Man on bicycle riding on Mr. J.J. van der Veldebrug bridge, Amsterdam, The Netherlands, Europe
Field of photovoltaic panels, Jordan, Middle East
Yoga class at the Sen Wellness Sanctuary, near Tangalle, South Coast of Sri Lanka, Indian subcontinent, South Asia
Yoga class on the beach beside the Sen Wellness Sanctuary, near Tangalle, South Coast of Sri Lanka, Indian subcontinent, South Asia
Flagship Victoria of Wight hybrid energy Wightlink ferry docks at Portsmouth
Lightshow, The Gardens by the Bay, Singapore
Rocky and sandy beach coastal recreation area with windmills, Pingtan Island, Fuzhou City, Fujian Province, China
A cottage on the coast of Pingtan Island with windmills in the sea, Fuzhou City, Fujian Province, China
A cottage on the coast of Pingtan Island with windmills in the sea, Fuzhou City, Fujian Province, China
Windmills in the sea. Pingtan Island, Fuzhou City, Fujian Province, China.
Hon Rua Beach, Mui Ne, Binh Thuan Province, Vietnam
Chacma Baboons (Papio ursinus), two youngsters playing tug of war with one youngster's tail, Chobe National Park, Botswana
Pupils playing bungee jumping in the playground of the primary school in the village of Praia das Conchas, Republic of Sao Tome and Principe