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    Male worker working on solar panel at solar station plant — Stock Photo
    Male worker working on solar panel at solar station plant
    Engineer standing at entrance of a wind mill at a wind farm — Stock Photo
    Engineer standing at entrance of a wind mill at a wind farm
    Mitochondria cross-section, illustration. Mitochondria are organelles found in the cytoplasm of eukaryotic cells. They oxidise sugars and fats to produce energy in a process called cellular respiration — Stock Photo
    Mitochondria cross-section, illustration. Mitochondria are organelles found in the cytoplasm of eukaryotic cells. They oxidise sugars and fats to produce energy in a process called cellular respiration
    Girls and boys in Science Club — Stock Photo
    Girls and boys in Science Club
    Carefree multi-generation women swinging in backyard — Stock Photo
    Carefree multi-generation women swinging in backyard
    Side view of millennial female with tattoos and long Afro braids leaning forward against wall on urban walkway — Stock Photo
    Side view of millennial female with tattoos and long Afro braids leaning forward against wall on urban walkway
    Blue solar panels in grid — Stock Photo
    Blue solar panels in grid
    Wind turbines in a row at sunset, America, USA — Stock Photo
    Wind turbines in a row at sunset, America, USA
    Wind turbines on the edge of the Wadden Sea, East Frisia, Lower Saxony, Germany — Stock Photo
    Wind turbines on the edge of the Wadden Sea, East Frisia, Lower Saxony, Germany
    Male worker talking on mobile phone at desk in office — Stock Photo
    Male worker talking on mobile phone at desk in office
    Businessman holding glass of water outdoors — Stock Photo
    Businessman holding glass of water outdoors
    Young strong African American sportsman in boxing hand wraps working out and looking at camera in building — Stock Photo
    Young strong African American sportsman in boxing hand wraps working out and looking at camera in building
    Engineers standing at the entrance of wind mill at a wind farm — Stock Photo
    Engineers standing at the entrance of wind mill at a wind farm
    Vise tool on a wooden table at solar station — Stock Photo
    Vise tool on a wooden table at solar station
    Mid section of male worker using laptop at solar station — Stock Photo
    Mid section of male worker using laptop at solar station
    Solar panels feed energy to the power grid. — Stock Photo
    Solar panels feed energy to the power grid.
    Young male athlete in sportswear with closed eyes drinking water from bottle under cloudy sky — Stock Photo
    Young male athlete in sportswear with closed eyes drinking water from bottle under cloudy sky
    Full length smiling mature female in sportswear and boxing gloves standing with helmet in hand against blue wall and looking away — Stock Photo
    Full length smiling mature female in sportswear and boxing gloves standing with helmet in hand against blue wall and looking away
    Close up of hands of man exercising on a footbridge in a city, sitting on steps and using a smartphone during a break — Stock Photo
    Close up of hands of man exercising on a footbridge in a city, sitting on steps and using a smartphone during a break
    Young male worker climbing scaffolding at solar station — Stock Photo
    Young male worker climbing scaffolding at solar station
    Full body of concentrated African American teen dancing in studio with bright neon light — Stock Photo
    Full body of concentrated African American teen dancing in studio with bright neon light
    Wind turbines in field — Stock Photo
    Wind turbines in field
    Male worker using laptop at solar station on a sunny day — Stock Photo
    Male worker using laptop at solar station on a sunny day
    Side view of a young athletic Caucasian man exercising in a city park in the evening, with a headlight on resting during a break with defocused city lights in the background — Stock Photo
    Side view of a young athletic Caucasian man exercising in a city park in the evening, with a headlight on resting during a break with defocused city lights in the background
    External combustion engine igniting — Stock Photo
    External combustion engine igniting
    Male worker working at desk in office — Stock Photo
    Male worker working at desk in office
    Person filling car with bio fuel — Stock Photo
    Person filling car with bio fuel
    Offshore wind farm — Stock Photo
    Offshore wind farm
    Scenic view of wind turbines, Niedersachsen, Germany — Stock Photo
    Scenic view of wind turbines, Niedersachsen, Germany
    Boy sitting in a car — Stock Photo
    Boy sitting in a car
    Rows of wind turbines and an old traditional windmill, Eemshaven, Groningen, Netherlands — Stock Photo
    Rows of wind turbines and an old traditional windmill, Eemshaven, Groningen, Netherlands
    Grandmother and grandson juggling apples on picnic blanket in sunny field — Stock Photo
    Grandmother and grandson juggling apples on picnic blanket in sunny field
    Boy playing games on smart phone — Stock Photo
    Boy playing games on smart phone
    Boy and girl on a science lesson — Stock Photo
    Boy and girl on a science lesson
    Adorable preschool boy in casual tee shirt looking away while pointing finger into his face leaning in a white wall background — Stock Photo
    Adorable preschool boy in casual tee shirt looking away while pointing finger into his face leaning in a white wall background
    Portrait of a young athletic Caucasian man exercising in a city park in the evening, resting during a break with a skipping rope round his neck with defocused city lights in the background — Stock Photo
    Portrait of a young athletic Caucasian man exercising in a city park in the evening, resting during a break with a skipping rope round his neck with defocused city lights in the background
    Adorable little boy holding flashlight — Stock Photo
    Adorable little boy holding flashlight
    Enthusiastic grandfather and grandson playing video game on sofa — Stock Photo
    Enthusiastic grandfather and grandson playing video game on sofa
    Side view of female teenager in casual wear looking at camera while jumping against rippled river and blue sky — Stock Photo
    Side view of female teenager in casual wear looking at camera while jumping against rippled river and blue sky
    Male worker using digital tablet at solar station office — Stock Photo
    Male worker using digital tablet at solar station office
    Industrial Pipes in a Power Plant — Stock Photo
    Industrial Pipes in a Power Plant
    Young male worker using digital tablet at solar station — Stock Photo
    Young male worker using digital tablet at solar station
    Boy using a microscope — Stock Photo
    Boy using a microscope
    Solar panels under blue sky in remote landscape — Stock Photo
    Solar panels under blue sky in remote landscape
    Wind turbines on a blue sky background — Stock Photo
    Wind turbines on a blue sky background
    Row of wind turbines at sunset — Stock Photo
    Row of wind turbines at sunset
    Engineer taking notes on a writing pad at a wind farm — Stock Photo
    Engineer taking notes on a writing pad at a wind farm
    Side view of of a young athletic Caucasian man exercising on a footbridge in a city, listening to music with earphones on and stretching with his hands behind his head — Stock Photo
    Side view of of a young athletic Caucasian man exercising on a footbridge in a city, listening to music with earphones on and stretching with his hands behind his head
    Content mature female in activewear boxing helmet and hand wraps raising hands near head against blue wall and looking at camera — Stock Photo
    Content mature female in activewear boxing helmet and hand wraps raising hands near head against blue wall and looking at camera
    Solar panels and reflectors on farm near Calgary, Alberta, Canada. — Stock Photo
    Solar panels and reflectors on farm near Calgary, Alberta, Canada.
    Positive girl balancing and standing on knees of faceless mother on grassy field against mountainous terrain with green trees in nature — Stock Photo
    Positive girl balancing and standing on knees of faceless mother on grassy field against mountainous terrain with green trees in nature
    Dreamy young female athlete admiring city while looking away under cloudy blue sky in sunlight — Stock Photo
    Dreamy young female athlete admiring city while looking away under cloudy blue sky in sunlight
    Male worker examining a concrete tunnel at solar station — Stock Photo
    Male worker examining a concrete tunnel at solar station
    Wind turbines on the bank of the river Ems at sunset, Germany — Stock Photo
    Wind turbines on the bank of the river Ems at sunset, Germany
    Full length smiling mature female in sportswear and boxing gloves standing with helmet against blue wall with arms raised — Stock Photo
    Full length smiling mature female in sportswear and boxing gloves standing with helmet against blue wall with arms raised
    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
    Windmill in green landscape on a sunny day — Stock Photo
    Windmill in green landscape on a sunny day
    Boy standing in a corn field, USA — Stock Photo
    Boy standing in a corn field, USA
    Four friends seated in a diner. — Stock Photo
    Four friends seated in a diner.
    Male worker working on computer at solar station office — Stock Photo
    Male worker working on computer at solar station office