Ключевые слова: atmosphere, awareness, background, ball, blue, concept, continent, copy space, crystal, day, design, earth, eco, ecological, ecology, effect, environment, environmental, global, global warming, globe, glowing, green, hand, international, issue, layer, map, natural, nature, ozone, ozone layer, planet, pollution, preservation, protection, save, september, shiny, sky, symbol, vitality, warming, world map,