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    Couple walking between trees. — Stock Photo
    Couple walking between trees.
    Smiling engineer using digital tablet at sunny power plant — Stock Photo
    Smiling engineer using digital tablet at sunny power plant
    Bamboo toothbrushes, soap and a flannel in a bathroom — Stock Photo
    Bamboo toothbrushes, soap and a flannel in a bathroom
    Portrait confident, smiling female engineer with digital tablet examining solar panels at power plant — Stock Photo
    Portrait confident, smiling female engineer with digital tablet examining solar panels at power plant
    Wind turbine energy generators on wind farm — Stock Photo
    Wind turbine energy generators on wind farm
    Aerial view of lake Mooserboden and dam wall, Kaprun High Mountain reservoirs, Salzburg, Austria — Stock Photo
    Aerial view of lake Mooserboden and dam wall, Kaprun High Mountain reservoirs, Salzburg, Austria
    Cloudy day over the water — Stock Photo
    Cloudy day over the water
    Biofuels production in Brazil, Alternative Energy concept — Stock Photo
    Biofuels production in Brazil, Alternative Energy concept
    Nespapers at a recycling centre — Stock Photo
    Nespapers at a recycling centre
    Man carrying a solar panel — Stock Photo
    Man carrying a solar panel
    Engineers meeting at truck at sunny wind turbine power plant — Stock Photo
    Engineers meeting at truck at sunny wind turbine power plant
    Scared woman trying to free herself while entangled in bubble wrap — Stock Photo
    Scared woman trying to free herself while entangled in bubble wrap
    Female engineer with digital tablet talking to colleague at wind turbine power plant — Stock Photo
    Female engineer with digital tablet talking to colleague at wind turbine power plant
    Canyon walls reflected in a sandy mud puddle in a desert spring — Stock Photo
    Canyon walls reflected in a sandy mud puddle in a desert spring
    Close up of solar panels outdoors — Stock Photo
    Close up of solar panels outdoors
    Wind turbine in a field, Bahamas — Stock Photo
    Wind turbine in a field, Bahamas
    Architects discussing green construction project on computer monitor in office. — Stock Photo
    Architects discussing green construction project on computer monitor in office.
    Portrait confident engineers at alternative energy power plant — Stock Photo
    Portrait confident engineers at alternative energy power plant
    Woman taking a break near a silo — Stock Photo
    Woman taking a break near a silo
    Engineers on dirt road at wind turbine power plant — Stock Photo
    Engineers on dirt road at wind turbine power plant
    Engineers reviewing blueprint on truck at sunny wind turbine power plant — Stock Photo
    Engineers reviewing blueprint on truck at sunny wind turbine power plant
    Person standing at Skogafoss waterfall in the winter with snow in foreground — Stock Photo
    Person standing at Skogafoss waterfall in the winter with snow in foreground
    Woman taking a break near silo — Stock Photo
    Woman taking a break near silo
    Scenic view of wind turbines in the desert, Paracuru, Brazil — Stock Photo
    Scenic view of wind turbines in the desert, Paracuru, Brazil
    Rocky mountains under cloudy sky in morning in Mines of Riotinto, Huelva — Stock Photo
    Rocky mountains under cloudy sky in morning in Mines of Riotinto, Huelva
    Smoke Stacks, Gas Plant — Stock Photo
    Smoke Stacks, Gas Plant
    Rocky landscape in morning in Mines of Riotinto, Huelva — Stock Photo
    Rocky landscape in morning in Mines of Riotinto, Huelva
    Logged Sitka Spruce tree in foreground in temperate rainforest, Washington, USA — Stock Photo
    Logged Sitka Spruce tree in foreground in temperate rainforest, Washington, USA
    Windmills Dot the California Mountainside near Tehachapi — Stock Photo
    Windmills Dot the California Mountainside near Tehachapi
    Scenic view of Iceland, amazing landscape — Stock Photo
    Scenic view of Iceland, amazing landscape
    Silhouette of wind turbines at sunset, France — Stock Photo
    Silhouette of wind turbines at sunset, France
    Aerial view of lake Mooserboden and dam wall, Kaprun High Mountain reservoirs, Salzburg, Austria — Stock Photo
    Aerial view of lake Mooserboden and dam wall, Kaprun High Mountain reservoirs, Salzburg, Austria
    Rocky mountains under cloudy sky in morning in Mines of Riotinto, Huelva — Stock Photo
    Rocky mountains under cloudy sky in morning in Mines of Riotinto, Huelva
    Farmer standing in a wheat field — Stock Photo
    Farmer standing in a wheat field
    Engineers reviewing plans at turbine power plant — Stock Photo
    Engineers reviewing plans at turbine power plant
    Young man in workshop — Stock Photo
    Young man in workshop
    Tween boy carries a paddleboard to the ocean on a calm day in Hawaii — Stock Photo
    Tween boy carries a paddleboard to the ocean on a calm day in Hawaii
    Meanders at the mouth of a river in the lofoten islands — Stock Photo
    Meanders at the mouth of a river in the lofoten islands
    Young girls on farm — Stock Photo
    Young girls on farm
    Cactus and wind turbines — Stock Photo
    Cactus and wind turbines
    Main park Salamanca without people and neither cars during the quara — Stock Photo
    Main park Salamanca without people and neither cars during the quara
    Rocky landscape in early morning in Mines of Riotinto, Huelva — Stock Photo
    Rocky landscape in early morning in Mines of Riotinto, Huelva
    Bundles of plastic bottles — Stock Photo
    Bundles of plastic bottles
    Computer Repair Shop. — Stock Photo
    Computer Repair Shop.
    Engineers discussing paperwork at alternative energy power plant — Stock Photo
    Engineers discussing paperwork at alternative energy power plant
    Young man in workshop — Stock Photo
    Young man in workshop
    Wind turbines in a row along a ridge of a rugged landscape, near Kihei: Kihei, Maui, Hawaii, United States of America — Stock Photo
    Wind turbines in a row along a ridge of a rugged landscape, near Kihei: Kihei, Maui, Hawaii, United States of America
    Audience watching female speaker in wheelchair on stage — Stock Photo
    Audience watching female speaker in wheelchair on stage
    Hover Dam Complex on Colorado River, Nevada, USA — Stock Photo
    Hover Dam Complex on Colorado River, Nevada, USA
    Engineer installing solar panels at sunny power plant — Stock Photo
    Engineer installing solar panels at sunny power plant
    Two people in a computer repair shop. — Stock Photo
    Two people in a computer repair shop.
    Mass of aluminium cans processed at recycling plant, full frame. — Stock Photo
    Mass of aluminium cans processed at recycling plant, full frame.
    White electric vehicle in charge — Stock Photo
    White electric vehicle in charge
    Reflection of mountain in winding creek — Stock Photo
    Reflection of mountain in winding creek
    Aerial view of lake Mooserboden and dam wall, Kaprun High Mountain reservoirs, Salzburg, Austria — Stock Photo
    Aerial view of lake Mooserboden and dam wall, Kaprun High Mountain reservoirs, Salzburg, Austria
    One of the detectors of the Pierre Auger observatory is seen close up with the Andes in the distance. The solar panel and antenna are clearly visible; Malargue, Mendoza, Argentina — Stock Photo
    One of the detectors of the Pierre Auger observatory is seen close up with the Andes in the distance. The solar panel and antenna are clearly visible; Malargue, Mendoza, Argentina
    People at a computer repair shop — Stock Photo
    People at a computer repair shop
    Child beside solar panels — Stock Photo
    Child beside solar panels
    Woman picking hazelnuts from a tree — Stock Photo
    Woman picking hazelnuts from a tree
    Wind farm in valley, Andalusia, Spain — Stock Photo
    Wind farm in valley, Andalusia, Spain