car0341 / Wind turbines and smoke stacks

air pollution, arrow, chimney, choice, clean energy, color image, comparison, contrast, direction, eco-friendly, emission, environment, environmental energy, environmentally friendly, fume, global warming, greenhouse effect, horizontal, illustration, nobody, opposite, painted image, painting, power plant, renewable energy, smoke, smokestack, sustainable energy, wind mill, wind power, wind turbine, windmill, environmentalism, carbon footprint, sustainable, sustainability, eco, ecology, carbon offset, pollution