Ключевые слова: atmosphere, blue, care, caution, circulation, collection, concept, conservation, decorative, design, destruction, dirty, earth, eco, ecological, ecology, element, emblem, energy, environment, garbage, global, graphic, ice, icons, illustration, infographic, nuclear, object, planet, plant, pollution, power, problem, protection, recycle, recycling, save, saving, set, sign, symbol, toxic, warming, waste, water, world,