Ключевые слова: alternative, biology, car, clean, climate, conservation, earth, eco, ecological, ecology, electric, electric car, electricity, energy, environmental, environmental conservation, factory, flower, globe, green, growth, horizontal, house, icon, icon set, leaf, nature, no people, outline, panel, planet, planet earth, poland, pollution, power, recyclable, recycling, reusing, scooter, seed, sign, solar, sorting, sunlight, sustainability, symbol, water, wind, wind power,