Keywords
air, american flag, ca, california, co2 emissions, color photography, dirty, energy, engineering and technology, environmentalism, fossil fuels, global warming, greenhouse effect, industry, oil, oil refineries, oil refinery, old glory, petroleum, pollution, refineries, refinery, science, stars and stripes, technology, united states, united states of america, us, usa, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, u10890269