Close-up of silhouette hand against sky during sunset
Scenic view of lake by mountains against sky
Fire emitting from smoke stack against cloudy sky
Rear view of man standing on mountain and gesturing to mine open pit
High angle view of bird flying over arid landscape
Man carrying christmas tree on snow covered farm against sky
Trees on field against clear sky
Boy's hand holding plastic waste in forest
Aerial view of beach
Aerial view of townscape against sky
Scenic view of snow covered mountains against sky
Panoramic view of landscape against sky
Full frame shot of logs in forest
Cropped hands of children gesturing amidst logs
Scenic view of lake and mountains against sky
A carelessly discarded water bottle floating in the beautifully colored baltic sea during sunset.
Full frame shot of firewood
Scenic view of lake by mountain against sky
Low angle view of buildings against dramatic cloudy sky
Silhouette helicopter extinguishing forest fire while flying over mountain
Full frame shot of logs
Sulawesi earthquake and tsunami
Panoramic view of gornergletscher, switzerland
High angle view of trees in forest
Close-up of blue car on land
Rope with sea
Woman hiding face behind hands black with ash in burnt forest
Industrial buildings by river against sky during sunset
Man with container holding recycled plastic in factory
Stack of log
Scenic view of mountains against sky
Dead tree on desert against clear blue sky
Smoke stacks against clear sky
Scenic view of snowcapped mountains against sky
Thoughtful woman standing amidst burnt trees in forest
Close-up of forest fire
High angle view of vehicles on construction site
High angle view of truck at construction site
Close-up of pipes
Woman with long hair standing against logs
Close-up of person with gas mask
Chimney by sand against clear sky
High angle view of london from primrose hill
Plastic bag undersea
Panoramic view of factory against sky
High angle view of man swimming in sea
Smiling boy and man carrying fir tree in forest
Global warming
Close-up of man wearing gas mask
Full length of boy running on garbage dump against sky
Aerial view of bulldozer on sand
Helicopter flying against fire on mountain
High angle view of forestry machinery in forest during winter
Close-up of stacked logs
View of burning fire outdoors
Person holding plastic bottle with coral picked up from the ocean
Cropped image of hand holding dead fish at beach against cloudy sky
Smock stacks emitting smoke at coastline against sky
High angle view of hand pointing
Low angle view of smoke stacks against sky
Aerial view of oil sands fort mcmurray
High angle view of rock formation in water
Industrial ecology landscape
Low angle view of smoke stack against sky
Close-up of cigarette butts in container
Spain, province of huelva, huelva, clear sky over truck and earth mover working in salt flat
Bromo mountain
Wooden posts on lake against sky
Thoughtful woman looking away while standing against factory emitting smoke
Smoke stack against clear sky
Stack of logs in forest
Low angle view of smoke explosion against clear sky
Scenic view of lake by mountains against sky during winter
Rumah jomblo against sky
Low angle view of building against sky
High angle view of sea
Close-up of trash cans on street
Low section of person walking on rock
High angle view of woman covering face while lying on floor by bottles and plastic bag
Smoke emitting from factory against sky during winter
Steam rising off lava flowing into ocean
Worker in gas mask standing against wall
Aerial view of volcanic landscape
Environment concept, girl's hand reaches for a metal can of soda lying in the forest.
Low section of man on top of water pipe
Side view of man standing against log stacks
Mining machinery at coal mine
High angle view of bottles floating on lake