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Ecology, forest of the Pacific Northwest,...
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Wind Power green energy in El Central...
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Testing soil for toxins. Pollution....
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Recycling industry plastic and paper bound for...
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Laboratory testing for environmental...
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Muir Woods, Sequoia, California, USA
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Aerial of rainforest being burned to clear land...
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Fawn, white-tailed deer (Ococolleus...
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Sunrise fog at the forest's edge, cypress...
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Glowing globe in shipping crate.
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Modern windmills against a cloudy sky
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Giant greenhouse produces seedlings for...
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Mt. St. Helen's and Spirit Lake, Washington
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Stream flowing through rain forest, La Selva...
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biohazard waste disposal
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Bundled recycled cardboard. California.
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Deforestation: Trucks loaded with logs in...
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Victoria amazonica (previously Victoria regia),...
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Fungi (mushroom) growing on decaying wood in...
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Beginning of tropical rainstorm in rainforest...
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Atlantic rainforest in Serra do Mar mountains,...
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Trees with yellow flowers in rainforest on...
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Aerial of river in floodplain rainforest in...
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Aerial of river in floodplain rainforest in...
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Great egret (Casmerodius albus) in ferns on the...
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Ancient bald cypress tree with hollow natural...
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Ancient bald cypress tree (Taxodium distichum)...
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garbage truck dumping trash in landfill; NR....
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Fish kill - dead fish killed by pollution...
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Chemical spraying on fields of squash plants
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A trail meanders through a redwood forest...
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Hand holding acorns which have started to...
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The interior of a water purification facility.
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Floating grass in open channel in swamp forest...
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Girl hugging a tree.
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Grand Canyon Peak
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Sunset in the Grand Canyon.
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Looking over the South Rim of the Grand Canyon
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Italy, Florence, Tuscany, Electric car being...
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pelican on rail of offshre oil rig
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Dried mud Seldja Gorge Tunisia.
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Girl hugging a tree.
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Grand Canyon Peak
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Grand Canyon Peak
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Sunset in the Grand Canyon.
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Sunset in the Grand Canyon.
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Sunset in the Grand Canyon.
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The Colorado River at the Grand Canyon.
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Looking over the South Rim of the Grand Canyon
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Environmental Stop Sign
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Spain. Castile la Mancha. Near Cuenca....
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Eroded earth formations with camel Central...
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Dune conservation by wind fence and dune grass...
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Newly planted beach grass helpd maintain...
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Little boy picking strawberries
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Boy picking strawberries
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USA, Utah, Bryce Canyon National Park, view of...
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USA, Utah, Bryce Canyon National Park, view of...
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USA,Utah,Bryce Canyon National Park, view of...
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USA,Utah,Bryce Canyon National Park, view of...
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USA,Utah,Bryce Canyon National Park, view of...
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Antarctica.
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Recycling Bin
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Shipwreck on Heron Isle. Barrier Reef Australi
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Provençal shepherd leading his sheep from...
10356C109.jpg
Part of waterfall Almecegas 1, Chapada dos...
10356C097.jpg
River winding in Tropical Rain Forest in Para,...
$Venezuela, Bolivar State: Guyana Shield: aerial of Salto Para (Para Falls) on Caura River in rainforest; clouds are cumulus fractus$
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Venezuela, Bolivar State: Guyana Shield: aerial...
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Flowering plant of the Velloziaceae family in...
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Waterfall Almecegas 1, Chapada dos Veadeiros,...
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Cissus sp., family Vitaceae, a vine growing in...
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Brazil, Para, aerial view of river with...
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Africa, Ivory Coast, rainforest in Tai National...
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Aerial view of Caraj's iron mine in Amazon...
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Leech on photographer's leg in rainforest at...
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Fishing spider, Dolomedes sp., family...
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Thorns on stem of rattan palm: Daemonorops...
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Italian restaurants on Hanover Street in the...
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A moth clings to Holocaust victims...
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Water Taxi on Boston Harbor with Boston, MA...
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People walk on Federal Courthouse waterfront...
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Sailboats on the Charles River with Boston, MA...
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Fisheries personnel perform stream surverys in...
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Native Zulu Tribe at Shakaland Center South Africa
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Trees in silhouette in the mist and clouds at...
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Trees with mist at Yellowstone National Park
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The June 2003 "Aspen" Forest Fire in the Santa...
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The June 2003 "Aspen" Forest Fire in the Santa...
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Nest of processional caterpillars, thaumetopoea...
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AJ5708, woodland, forest, wilderness, woods,...
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AJ3698, Mount Rainier, Mount Rainier National...
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AJ3669, Olympic National Park, tree,...
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AJ3666, Olympic National Park, tree,...
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AJ3663, Olympic National Park, tree, forest,...
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Sign warning of mercury content in fish caught...
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Disgarded obsolete broken computer monitor left...
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Recycling bins at South Rim of Grand Canyon...
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Wind collection mills for electricity energy in...
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Tourist couple having fun with camera at...
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USA, Arizona, Grand Canyon National Park. view...
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USA, Arizona, Grand Canyon National Park,...
9185C469.jpg
USA, Arizona, Monument Valley Navajo Tribal...
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USA, Arizona, Monument Valley Navajo Tribal...
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USA, Utah, Arches National Park, Delicate Arch
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USA, Utah, Arches National Park, Delicate Arch
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Advanced Placement High school Environmental...
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Advanced Placement High school Environmental...
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Advanced Placement High school Environmental...
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Advanced Placement High school Environmental...
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Advanced Placement High school Environmental...
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Advanced Placement High school Environmental...
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School Children attend the Hot Springs 2008...
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School Children attend the Hot Springs 2008...
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Dune conservation by dune grass plantings at...
0554L008.jpg
Solar panels in the form of a flower, Longwood...
0641A753.jpg
close up of broccoli
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Single Strawberry with curled Stem on white...
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Single Strawberry with curled Stem on white...
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Stawbrry Grouping with flowers
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Single Strawberry with curled Stem on white...
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Chamomille Plant with Flowers
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Sunrise at Swamp Lake in Everglade National...
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Macro Dill with waterdropplets
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Home garden with cabbage plants
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Home garden with heads of lettuce
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USA, Utah, Bryce Canyon National Park, view of...
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USA, Wyoming, Grand teton National Park. Storm...
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USA, Wyoming, Grand Teton National Park, Storm...
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USA, California, Big Sur coastline
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Solar collectors, solar panels
9176C138.jpg
Zion Canyon Narrows, Zion National Park, Utah.
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Logs being moved around and sorted by boom...
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Field testing for toxins in environment....
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Testing water for toxins.
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Felled tree trunks being loaded onto a truck.
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Disgarded obsolete broken computer monitor left...
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Disgarded obsolete broken computer monitor left...
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taita hill salt lick hotel kenya
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France. Rhone Valley. Nuclear power station at...
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.Path through a larch forest in Scotland. Loch...
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High speed train travelling through fields of...
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Spain. Andalucia/Andalusia. Mixed olive and...
10082C571.jpg
Rubbish dumped in city street. Alexandria. Egypt.
10082C563.jpg
Australia. Northern Territory. Kakadu National...
10082C477.jpg
Australia. Young koala bear eating eucalyptus...
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Ants' nest/anthill built around and inside the...
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Oil exploration drilling in tropical rain...
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Part of waterfall Almecegas 1, Chapada dos...
10356C094.jpg
Brazil, aerial view of Santo Antonio waterfall...
10356C093.jpg
Aerial view of trees with yellow flowers in...
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Tropical Rain Forest in Amazon Region, Dept....
10356C084.jpg
Spathoglottis plicata, Philippine or Malayan...
10356C068.jpg
Buttreses of Urucurana tree in swamp forest...
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Tropical Rain Forest in Amazon Region, Dept....
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Aerial of mangrove swamp forest at low tide...
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Tree trunk covered with epiphytes in Tropical...
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Aerial view of Jari River coming down from...
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Trees with yellow flowers at ecotone transition...
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Small river in rainforest, Gunung Mulu National...
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Slash-and-burn agriculture by Indians of Guiana...
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Adiantum Fern, family Adiantaceae, in Tropical...
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Polluted mountain stream water from mining...
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Hand picking Yellow Morel growing on forest...
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People enjoy evening near Caffe Vittoria on...
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A moth clings to Holocaust victims...
0621C039.jpg
Water Taxi on Boston Harbor with Boston, MA...
0621C036.jpg
People commute in small water taxi boat in...
0621C035.jpg
Brownstones around the base of the Hancock...
0621C033.jpg
Sailboats on the Charles River with Boston MA...
0621C012.jpg
Bunker Hill monument in Charlestown, MA
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Beacon Hill shops on Charles Street Boston MA
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Hydrologist performs stream surveys in Cooper...
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Hydrologist performs stream surveys in Cooper...
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Hydrologist performs stream surveys in Cooper...
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Fisheries personnel perform stream surverys in...
1050C232.jpg
Sioux teepee at sunset on the prairie near...
10198A051.jpg
Thermal pool.
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Trees with mist at Yellowstone National Park
10198A046.jpg
The June 2003 "Aspen" Forest Fire in the Santa...
10198A045.jpg
The June 2003 "Aspen" Forest Fire in the Santa...
10198A043.jpg
The June 2003 "Aspen" Forest Fire in the Santa...
10082C511.jpg
Wild rose, eglantine. Dog rose. Rosa canina....
10082C482.jpg
Wood borer damage in pine wood, subsequently...
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AJ5707, woodland, forest, wilderness, maple...
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AJ3662, Olympic National Park, forest, tree,...
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AJ3426, recycle, recycling, bin, Colorful...
0950C493.jpg
Disgarded obsolete broken computer monitor left...
1050C246.jpg
Waterfall in Glacier National Park
1050C235.jpg
Signage at the entrance of the world famous...
1050C234.jpg
Tourist couple having fun with camera at...
1050C231.jpg
Family taking pictures at famous landmark of...
1050C227.jpg
Nez Perce Creek with bison grazing in the water...
1050C220.jpg
Wild colors of sunflowers in Jamestown North Dakot
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Wild colors of sunflowers in Jamestown North Dakot
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Wild colors of sunflowers in Jamestown North...
9185C483.jpg
USA, Arizona, Grand Canyon National Park. view...
9185C482.jpg
USA, Arizona, Grand Canyon National Park
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USA, Arizona, Grand Canyon National Park. View...
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USA, Arizona, Grand Canyon National Park,view...
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USA, Arizona, Grand Canyon National Park, view...
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USA, Arizona, Grand Canyon National Park,...
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USA, Arizona, Monument Valley Navajo Tribal...
9185C466.jpg
USA,Arizona,Monument Valley Navajo Tribal...
9185C465.jpg
USA, Arizona, Monument Valley Navajo Tribal...
9185C464.jpg
USA, Arizona, Monument Valley Navajo Tribal...
9185C463.jpg
USA, Arizona, Monument Valley Navajo Tribal...
9185C340.jpg
USA, Utah, Arches National Park, Delicate Arch
9185C338.jpg
USA, Utah, Arches National Park, Delicate Arch
9185C337.jpg
USA, Utah, Arches National Park, Delicate Arch
9185B064.jpg
Sinle green leaf against a cloudy sk
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Advanced Placement High school Environmental...
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Advanced Placement High school Environmental...
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Advanced Placement High school Environmental...
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Advanced Placement High school Environmental...
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Advanced Placement High school Environmental...
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Advanced Placement High school Environmental...
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Advanced Placement High school Environmental...
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Student holding a crayfish found on field study...
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School Children attend the Hot Springs 2008...
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School Children attend the Hot Springs 2008...
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School Children attend the Hot Springs 2008...
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School Children attend the Hot Springs 2008...
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School Children attend the Hot Springs 2008...
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School Children attend the Hot Springs 2008...
0411A661.jpg
The remains of dead trees burned in a forest...
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Aerial of river in tropical rain forest, Marajo...
10356C088.JPG
Waterfall Almecegas 1, Chapada dos Veadeiros,...
0950C490.jpg
Curb-side recycling
10356C061.jpg
West Africa, rainforest in southwest Ivory...
10356A005.jpg
Phyllanthus sp., Euphorbiaceae, floating...
10198A050.jpg
Trees in silhouette in the mist and clouds at...
1050C228.jpg
Moose in the water at Yellowstone National Park...
0931A206.JPG
School Children attend the Hot Springs 2008...
0801C004.jpg
Fraser Valley silviculture operation, growing...
0801A119.jpg
Aerial view of a Canadian hydropower dam....
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Close up of the smokestack of an energy power...
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Detail of Calla Lily
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A technician inspects a water purification system.
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A technician inspects a water purification system.
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Oil exploration drilling site in tropical...
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Kayakers pass great egret at edge of pool,...
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Off the grid cabin on Gravina Island, Alexander...
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Off the grid cabin on Gravina Island, Alexander...
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Off the grid cabin on Gravina Island, Alexander...
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Off the grid cabin on Gravina Island, Alexander...
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The world in a spin like a spinning globe:...
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Extensive clearcut logging viewed from aerial...
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France. Eurostar in the Pas de Calais, high...
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France. Eurostar in the Pas de Calais, high...
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High speed train, tgv, travelling through...

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