Ключевые слова: background, ball, blue, business, care, charity, children, community, conceptual, conservation, corporate, day, earth, eco, ecology, environment, environmental, family, friendly, future, geography, global, globe, green, group, hands, health, hold, human, international, kid, man, map, nature, peace, person, planet, protect, responsibility, save, social, sphere, symbol, teamwork, together, unity, world, worldwide, young,