Ключевые слова: background, bag, bulb, cell, computer, earth, ecological, ecology, electricity, energy, environment, environmental, garbage, globe, green, hand, home, house, icons, illustration, internet, leaf, light, nature, new, oil, panels, petroleum, planet, plug, pollution, printing, protection, recycling, responsible, save, soil, solar, sorting, sprout, sun, symbol, tree, turbine, water, website, white, wind, world,