Train of cogwheel railway at Schynige Platte, Jungfrau Region, Bernese Oberland, Switzerland

Aerial of Sewell Mining Town, UNESCO World Heritage Site, Chile, South America

Water system on top of Assekrem, Tamanrasset, Hoggar mountains, Algeria, North Africa, Africa

Green Naga hills stretching into the distance, scarred by brown scorched hill after slash and burn system has occurred, Nagaland, India, Asia

The new elevator of the thermal baths using a wastewater-based system, Saint Gervais, Haute-Savoie, France

View of Skyway Monte Bianco cable car and snow covered mountain from Entreves in winter, Entreves, Aosta Valley, Italian Alps, Italy

Workers' huts on Naga hillside being desecrated by the government slash and burn system to improve soil for agriculture, Nagaland, India, Asia

Desecration across beautiful Naga hills from the government slash and burn system, to improve land for cultivation, Nagaland, India, Asia

Skiers say hi from chair lift. Pyha Ski Resort in Lapland, Finland

Water is heated using solar energy, Lingshed Monastery, Zanskar, Ladakh, Jammu and Kashmir, North India, India, Indian Himalayas, Asia

Hiking along the Aletsch Glacier, Konkordia Platz, UNESCO world heritage Jungfrau - Aletsch - Bietschhorn region, Valais, Switzerland

View toward Konkordia Platz, Aletsch glacier, UNESCO world heritage Jungfrau - Aletsch - Bietschhorn region, Valais, Switzerland

View from Mount Eggishorn to the Aletsch Glacier, UNESCO world heritage Jungfrau - Aletsch - Bietschhorn region, Valais, Switzerland

Photovoltaic system on the roof of the mountain station of the Arber Mountain Railway at Mount Grosser Arber near Bayerisch Eisenstein in the Bavarian Forest, Bavaria, Germany, Europe

Photovoltaic system on the roof of the mountain station of the Arber Mountain Railway at Mount Grosser Arber near Bayerisch Eisenstein in the Bavarian Forest, Bavaria, Germany, Europe

Velan Hut, Cabane du Velan, of the Swiss Alpine Club, SAC, at the foot of the Grand Combin Mountain, Valais Alps, Valais, Switzerland, 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

Piz Nair cable car station, photovoltaic system, solar cells, high mountains, Switzerland, Europe

Helicopter flying over smoking active volcanic crater, glowing lava, volcanic eruption, active table volcano Fagradalsfjall, Krysuvik volcanic system, Reykjanes Peninsula, Iceland, Europe

Helicopter flying over smoking active volcanic crater, glowing lava, volcanic eruption, active table volcano Fagradalsfjall, Krysuvik volcanic system, Reykjanes Peninsula, Iceland, Europe

Smoking active volcanic crater, Glowing lava splashes over crater rim, Volcanic eruption, Active table volcano Fagradalsfjall, Krysuvik volcanic system, Reykjanes Peninsula, Iceland, Europe

Helicopter flying over smoking active volcanic crater, glowing lava, volcanic eruption, active table volcano Fagradalsfjall, Krysuvik volcanic system, Reykjanes Peninsula, Iceland, Europe

Helicopter flying over smoking active volcanic crater, glowing lava, volcanic eruption, active table volcano Fagradalsfjall, Krysuvik volcanic system, Reykjanes Peninsula, 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 panels at Munich House on Mt Zugspitze, Wetterstein range, Bavaria, Germany, Europe

Glowing lava, lava flow, lava field, active table volcano Fagradalsfjall, Krysuvik volcanic system, Reykjanes Peninsula, Iceland, Europe

Glowing lava, lava flow, lava field, active table volcano Fagradalsfjall, Krysuvik volcanic system, Reykjanes Peninsula, Iceland, Europe

Glowing lava, lava flow, lava field, active table volcano Fagradalsfjall, Krysuvik volcanic system, Reykjanes Peninsula, Iceland, Europe

Piz Nair cable car station, photovoltaic system, solar cells, high mountains, Switzerland, Europe

Smoking active volcanic crater, Glowing lava splashes over crater rim, Volcanic eruption, Active table volcano Fagradalsfjall, Krysuvik volcanic system, Reykjanes Peninsula, Iceland, Europe

Farm with a solar installation on the roof, Black Forest, Baden-Wuerttemberg, Germany, Europe

Three yurts ger in the steppe in front of a forested mountain range Orkhon waterfall Mongolia

Solar collectors for autonomous energy supply to a mountain hut, Velan Hut, Cabane du Velan, of the Swiss Alpine Club, SAC, Valais Alps, Valais, Switzerland, Europe

Water reflections in the cave Cueva de los Verdes, illuminations of the cave system of a lava tube designed by Cesar Manrique, Lanzarote, Canary Islands, Spain, Europe

The futuristic Velan Hut, Cabane du Velan, of the Swiss Alpine Club, SAC, with its six solar panels in front of the summit of Grande Aiguille des Maisons Blanche, Valais, Switzerland, 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

Fishermen in the Uummannaq Fjord System, north west Greenland. The fjords are frozen during winter, the fishermen use motor or dog sleds to drive to holes in the ice to lower up to 1000m long lines with bait. North America, Greenland

The harbour. The town Uummannaq in the north of West Greenland, located on an island in the Uummannaq Fjord System. America, North America, Greenland

Fishermen in the Uummannaq Fjord System, north west Greenland. The fjords are frozen during winter, the fishermen use motor or dog sleds to drive to holes in the ice to lower up to 1000m long lines with bait. North America, Greenland

Fishermen in the Uummannaq Fjord System, north west Greenland. The fjords are frozen during winter, the fishermen use motor or dog sleds to drive to holes in the ice to lower up to 1000m long lines with bait. North America, Greenland

Fishermen in the Uummannaq Fjord System, north west Greenland. The fjords are frozen during winter, the fishermen use motor or dog sleds to drive to holes in the ice to lower up to 1000m long lines with bait. North America, Greenland

Fishermen in the Uummannaq Fjord System, north west Greenland. The fjords are frozen during winter, the fishermen use motor or dog sleds to drive to holes in the ice to lower up to 1000m long lines with bait. North America, Greenland

Line with bait. Fishermen in the Uummannaq Fjord System, north west Greenland. The fjords are frozen during winter, the fishermen use motor or dog sleds to drive to holes in the ice to lower up to 1000m long lines with bait. North America, Greenland

Photovoltaic system near Brennero railway, A22, Isera, Vallagarina, Trentino Alto Adige, Italy, Europe

Photovoltaic system near Brennero railway, A22, Isera, Vallagarina, Trentino Alto Adige, Italy, Europe

Female hiker waits for pack horses to pass on the South Kaibab Trail in Grand Canyon National Park north of Williams, Arizona May 2011. The South Kaibab Trail starts on the south rim of the Colorado Plateau and follows a ridge out to Skeleton Point allowing for 360-degree views of the canyon then down to the Colorado River. At the Colorado River the trail connects with the North Kaibab trail as part of the Arizona Trail system, that crosses the state of Arizona from Mexico to Utah.

A woman mountain biking on the Horse Gulch Trail System, Durango, Colorado

Rolando Garibotti skis with a pack on the Boreas Pass trail which crosses the Rocky Mountains from Breckenridge to Como, Colorado. The trail is part of the Rails to Trails system and follows an old railroad grade. The trail is also part of the 10th Mountain Division Hut System, with a hut called the Section House located along the trail at the top of Boreas Pass. The trail is within Pike-San Isabel National Forest

Church Bell Tower In Mountain Village Of Zahara De La Sierra, Zahara De La Sierra, Cadiz, Andalucia, Spain

Tent And Milky Way Visible In The Sky Over Teton Range, Grand Teton National Park, Wyoming, United States Of America

Lighthouse On The Coast, Campbeltown Loch, Island Of Davaar, Argyll And Bute, Scotland

Lighthouse On The Coast, Campbeltown Loch, Island Of Davaar, Argyll And Bute, Scotland

Mooring Rope, Colonsay, Scotland

Bavarian Church, Fussen, Bavaria, Germany

The Trans-Alaska Pipeline crosses over tundra beneath the mountains of the Brooks Range along the Dalton Highway; Alaska, United States of America

View of Mesquite Dunes, USA, California, Death Valley National Park, Mesquite Dunes

Irrigation system, Barley, Colorado, USA

Midnight sun. Landscape, on the Drygalski Peninsula, with icebergs in the Uummannaq Fjord System in the northwest of Greenland, north of the polar circle. north america, Greenland, danish territory, summer