Ключевые слова: background, ball, care, concept, conceptual, earth, eco, ecosystem, environment, environmental, fingers, global, globe, hands, help, hold, hope, isolated, life, map, nature, ocean, palm, part of, peace, planet, pollution, protect, protection, recycle, recycling, safety, save, security, sign, sphere, symbol, technology, transparent, two people, universe, warming, water, web, world,