Ключевые слова: abstract, arrow, background, blue, box, brown, business, cardboard, circle, clean, color, concept, conservation, eco, ecology, environment, environmental, garbage, global, green, grunge, healthy, icon, idea, image, isolated, nature, object, package, paper, plant, pollution, power, recycle, recycled, recycling, reduce, reuse, save, shape, sign, symbol, technology, texture, trash, tree, waste, water, web,