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    Three children standing behind presentations — Stock Photo
    Three children standing behind presentations
    Olar panel in a farmhouse garden. — Stock Photo
    Olar panel in a farmhouse garden.
    54088 — Stock Photo
    54088
    Pollution control inspector taking sample of polluted water from spring in field. — Stock Photo
    Pollution control inspector taking sample of polluted water from spring in field.
    Worker by wind turbines in rural landscape — Stock Photo
    Worker by wind turbines in rural landscape
    High angle close-up of man holding freshly caught trouts at fish farm. — Stock Photo
    High angle close-up of man holding freshly caught trouts at fish farm.
    Painting a recycled pallet with a white brush — Stock Photo
    Painting a recycled pallet with a white brush
    Rural road in grassland scenery in Hebei province, China — Stock Photo
    Rural road in grassland scenery in Hebei province, China
    The young woman in the rain — Stock Photo
    The young woman in the rain
    Large crop of blooming Sweet Onions — Stock Photo
    Large crop of blooming Sweet Onions
    A female leopard, Panthera pardus, grooming her cub on a termite mound — Stock Photo
    A female leopard, Panthera pardus, grooming her cub on a termite mound
    Rural road in grassland scenery in Hebei province, China — Stock Photo
    Rural road in grassland scenery in Hebei province, China
    Alpine meadows of the Pacific Crest Trail — Stock Photo
    Alpine meadows of the Pacific Crest Trail
    Amazing natural view of majestic iceberg in Alaska — Stock Photo
    Amazing natural view of majestic iceberg in Alaska
    Sailing boats and motorboats — Stock Photo
    Sailing boats and motorboats
    Aerial view of bio gas plant in the field at countryside — Stock Photo
    Aerial view of bio gas plant in the field at countryside
    Amazing landscape with snow-covered mountains in Tibet — Stock Photo
    Amazing landscape with snow-covered mountains in Tibet
    Windmill in green landscape on a sunny day — Stock Photo
    Windmill in green landscape on a sunny day
    A female warthog, Phacochoerus africanus, and her piglets standing together — Stock Photo
    A female warthog, Phacochoerus africanus, and her piglets standing together
    Man in waders standing next to water tanks at trout fish farm and feeding fish. — Stock Photo
    Man in waders standing next to water tanks at trout fish farm and feeding fish.
    Man standing in an avenue of trees — Stock Photo
    Man standing in an avenue of trees
    Male worker working on windmill in office — Stock Photo
    Male worker working on windmill in office
    Wind mills at a wind farm during dusk — Stock Photo
    Wind mills at a wind farm during dusk
    Engineer using a digital tablet at entrance of a wind mill at a wind farm — Stock Photo
    Engineer using a digital tablet at entrance of a wind mill at a wind farm
    The low carbon life of a happy family — Stock Photo
    The low carbon life of a happy family
    Glass door to villa covered with green ivy leaves — Stock Photo
    Glass door to villa covered with green ivy leaves
    Fire damaged trees and forest along the Pacific Crest Trail — Stock Photo
    Fire damaged trees and forest along the Pacific Crest Trail
    Child examining a butterfly — Stock Photo
    Child examining a butterfly
    An elephant, Loxodonta africana, standing in a clearing, dead trees in background, black and white — Stock Photo
    An elephant, Loxodonta africana, standing in a clearing, dead trees in background, black and white
    A leopard, Panthera pardus, chasing impalas, Aepyceros melampus — Stock Photo
    A leopard, Panthera pardus, chasing impalas, Aepyceros melampus
    An elephant trunk, Loxodonta africana — Stock Photo
    An elephant trunk, Loxodonta africana
    A vervet monkey, Chlorocebus pygerythrus, sitting in the fork of a tree, direct gaze, sunset lighting — Stock Photo
    A vervet monkey, Chlorocebus pygerythrus, sitting in the fork of a tree, direct gaze, sunset lighting
    Arrow and recycling symbol on green background — Stock Photo
    Arrow and recycling symbol on green background
    A flock of red billed oxpeckers, Buphagus erythrorhynchus, sitting on the back of a giraffe, Giraffa camelopardalis giraffa — Stock Photo
    A flock of red billed oxpeckers, Buphagus erythrorhynchus, sitting on the back of a giraffe, Giraffa camelopardalis giraffa
    Aerial view of winding road and scenic mountains, Tibet BaSu turn 72 mountain scenery — Stock Photo
    Aerial view of winding road and scenic mountains, Tibet BaSu turn 72 mountain scenery
    A flap-necked chameleon, Chamaeleo dilepis, mouth open, black background — Stock Photo
    A flap-necked chameleon, Chamaeleo dilepis, mouth open, black background
    Two lions, Panthera leo, fight each other — Stock Photo
    Two lions, Panthera leo, fight each other
    Environmentalist volunteers planting new tree and handshaking — Stock Photo
    Environmentalist volunteers planting new tree and handshaking
    A leopard, Panthera pardus, chasing an impala, Aepyceros melampus and zebra, Equus quagga — Stock Photo
    A leopard, Panthera pardus, chasing an impala, Aepyceros melampus and zebra, Equus quagga
    Wind turbines at sunset; Nanticoke, Ontario, Canada — Stock Photo
    Wind turbines at sunset; Nanticoke, Ontario, Canada
    Pre-adolescent girl with mother posing beside solar panels at farm. — Stock Photo
    Pre-adolescent girl with mother posing beside solar panels at farm.
    Two yellow billed storks, Mycteria ibis, fishes for frogs — Stock Photo
    Two yellow billed storks, Mycteria ibis, fishes for frogs
    Three ostriches, Struthio camelus, stand together in the evening light — Stock Photo
    Three ostriches, Struthio camelus, stand together in the evening light
    Businessman astride bicycle with helmet in hand — Stock Photo
    Businessman astride bicycle with helmet in hand
    Wind turbines on a hilly landscape on a wind farm; Washington, United States of America — Stock Photo
    Wind turbines on a hilly landscape on a wind farm; Washington, United States of America
    Wild dog pups, Lycaon pictus, wait at their den site at sunset. — Stock Photo
    Wild dog pups, Lycaon pictus, wait at their den site at sunset.
    Inverted image of alpine mountain range and valley, along the Pacific Crest Trail — Stock Photo
    Inverted image of alpine mountain range and valley, along the Pacific Crest Trail
    Young man carrying bicycle — Stock Photo
    Young man carrying bicycle
    Stierling's Wren-warbler, Calamonastes stierlingi, sitting on a branch — Stock Photo
    Stierling's Wren-warbler, Calamonastes stierlingi, sitting on a branch
    Recycled bottles at recycling centre — Stock Photo
    Recycled bottles at recycling centre
    Engineer talking on mobile phone at wind farm — Stock Photo
    Engineer talking on mobile phone at wind farm
    A flack of red billed quelea, Acinonyx jubatus, flying above a dry grass clearing — Stock Photo
    A flack of red billed quelea, Acinonyx jubatus, flying above a dry grass clearing
    African Rock Python, Python sebae, constricts an impala, Aepyceros melampus — Stock Photo
    African Rock Python, Python sebae, constricts an impala, Aepyceros melampus
    The train in Alaska — Stock Photo
    The train in Alaska
    Bottom view of tall trees at Australia scenery — Stock Photo
    Bottom view of tall trees at Australia scenery
    Traditional sailing boat on river — Stock Photo
    Traditional sailing boat on river
    Rural road in grassland scenery in Hebei province, China — Stock Photo
    Rural road in grassland scenery in Hebei province, China
    Highway in snow at Inner Mongolia, Hulun Buir — Stock Photo
    Highway in snow at Inner Mongolia, Hulun Buir
    Close-up of forklift at solar station — Stock Photo
    Close-up of forklift at solar station
    Wind turbines in field — Stock Photo
    Wind turbines in field