arbre isolé photo (167.1)

bin full of paper trash studio isolated (170.1)

carbon photo (168.11)

Chemical plant image, Chemical plant in silhouet by sunset (426.8)

citron vert solo image (167.9)

close up of industrial pipes of oil industry production image (165.0)

Coal Plant Smoke Stacks photo, Coal plant emitting pollution. Burning coal is a leading cause of smog, acid rain, global warming, and air toxics. In an average year, a typical coal (162.18)

Colourful motion blur abstract on a city road during the nig photo (165.0)

electric power plant photo (165.5)

Energy 4, Solorcells in a solarpark in bavaria (426.8)

Engineers finishing work photo, Engineers finishing work and leaving oil refinery with only backs showing, pipelines in the background (426.8)

Exhaust pipe of a car blowing photo, Exhaust pipe of a car - blowing out the pollution. (165.24)

factory photo (166.1)

Gas pump picture, Close-up of a mens hand refilling the car with a gas pump (168.19)

Greenhouse gases photo, air pollution abstract - global warming, closeup, orange, b/w (168.19)

Industrial Oil Refinery (165.6)

Industry image (422.19)

pipes picture (164.9)

planète terre écologie (424.92)

Quito (165.0)

refinery oil tanks and engineer picture (168.6)

Refinery towers in the Port of Rotterdam (165.0)

Renewable energy picture, Solar and eolic renewable energy (678.14)

Road signs photo, Road signs over the cloudy autumn sky (930.20)

road traffic stock image (167.6)

Save energy - save nature image, Shine, new energy-saving lamp in green grass (426.8)

save the planet (166.42)

sky (164.51)

Steel industry, Iron Steel industry on a background of flood of steel (678.14)

Three element recycling symbol (169.66)

ville ciel bleu stock image (167.1)

volutes de fumée 2 (168.5)

water coming from a pipe image (423.41)