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Blue-green algae cover the surface of the flowering water river with a film along the coast. River water pollution. Environmental problems.
Salmon run up stream through the ladder at the Ballard locks.
A closeup of the polluted river in the Rio Tinto Mining Park under the sunlight in Spain
Dirty bottom of a dried-up lake. Ecological problems
The grass is under water during a flood. The grass is photographed in close-up. A strong current moves the grass forward.
Thermal champagne pool seen in Rotorua in the north island of New Zealand.
Exotic pictures of river seaweed as natural backgrounds for graphic projects.
Mountain river and waterfall, east Serbia, Europe
Defocused old metal iron rust background and texture, orange and black color rust steel background
Close-up of water fountain
Water pollution with cooper mine residuals
Sea water on the coast of Guinea Bissau
aerial view of sewage treatment plant in wroclaw city in Poland
Aerial panoramic view at canyons in desert from airplane above Lorestan province Iran, Asia,Nikon D3x
A closeup of lake water with rocks
Gouburn Weir near Nagambie in Central Victoria.
Waves the power of the nature
white beauty in nature texture background blue
Underwater landscape, the Cost of the Mediterranean Sea. Sunny summer day, pebble background. Blue marine colour water
Small spring frog tries to hid between the glass top and leg of a table.
Environment problem. Ecological concept of polluted nature.
Waterfall on the Mountain Stream in the Bifeng Gorge National Nature Reserve, sichuan province.
The river swollen after heavy rainfall and floodwater crashing through valley. The water flows fast from the high valley to the plain. General contest of a river in flood
Mississauga, Canada.
Pink lake in Cuba, Cayo Coco island. It has its color because of the plankton
The aerial view of the abandoned rice field on the swamps in South Carolina on the border with Georgia, nearby Savannah, USA. The sunny autumn day.
View of the sand pit from above, multi-layered rock, space views
Aerial view of a Wisconsin frac sand processing and loading facility. Sand is brought in by truck and ends up in the rail cars for transport. Shot from the open window of a small plane.\u2028http://www.banksphotos.com/LightboxBanners/Aerial.jpg
Aquatic plants. Freshwater algae background. Photographer's shadow. Ecological concept. Blur under water.
Aerial view of a mining quarry with heavy machinery, surrounded by forest at sunset.
Free Images: "bestof:INDUSTRIALIZED SECTION OF THE HEAVILY POLLUTED BUFFALO RIVER OIL SLICK, VISIBLE ON THE SURFACE, WILL EVENTUALLY FLOW... - NARA - 549526.jpg Scope and content"
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