Keywords
air pollution, arrow sign, backdrop, backgrounds, balloon, bar graph, beauty in nature, concepts, diagram, dotted line, earth, environment, environmental conservation, environmental damage, factory, frame, global warming, graph, green, hardwood, illustration, illustration and painting, natural pattern, nature, no people, pattern, pollution, protection, sign, signature, signing, single line, speech bubble, striped, temperature, timber, tree, wood, 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, tid099t000148