Ключевые слова: background, blue, business, care, climate, concept, conservation, day, design, disease, earth, eco, ecology, energy, environment, environmental, global, globe, green, hand, health, health care, healthy, heart, hold, holding, human, international, isolated, life, map, natural, nature, paper, peace, people, person, planet, plant, protect, protection, red, responsibility, safe, safety, save, shape, symbol, white, world,