Ключевые слова: background, ball, blue, business, care, color, concept, conceptual, cute, earth, eco, ecology, ecosystem, education, environment, environmental, fingers, geology, global, globe, green, hand, help, hold, hope, human, isolated, life, love, map, nature, ocean, palm, peace, people, planet, pollution, protect, protection, recycle, save, science, security, sphere, symbol, warming, water, web, white, world,