Ключевые слова: abstract, arrow, background, bag, bulb, business, car, cardboard, care, clean, cloud, collection, concept, conservation, container, design, earth, eco, ecological, ecology, electric, element, energy, environment, environmental, floral, flower, friendly, glass, globe, gout, graphic, green, house, icon, icons, illustration, industry, internet, lamp, land, life, mill, nature, object, organic, paper, pictogram, planet, plant, plastic, pollute, pollution, power, protection, rain, recycle, recycling, reduce, renewable, reuse, save, savings, sign, solar, stock, symbol, system, trash, tree, waste, water, web, wind,