Ключевые слова: businessman, care, conceptual, conservation, continent, earth, eco, ecological, ecology, ecosystem, education, efficiency, energy, energy saving, environment, environmental, future, generations, give, giving, global, globe, grandfather, green, growth, hand, hold, hope, human, knowledge, life, map, money, nature, peace, planet, pollution, power, protect, protection, recycle, recycling, renewable energy, save, security, solar, warming, water, world,