求翻译：随着经济的发展，环境恶化程度加深，作为经济活动的一部分，物流活动同样面临环境问题，需要从环境的角度对物流体系进行改进，就是21世纪的新的物流管理趋势。 绿色物流是当今经济可持续发展的一个重要组成部分，它对社会经济的不断发展和人们生活质量的提高具有重要的意义。但由于绿色物流还是一个全新的理念，人们对它的认识还非常有限，绿色物流的发展还受到一些因素的制约，所以现阶段发展绿色物流还是一个任重而道远的艰巨工作，需要多方面关系的协同运作。是什么意思？

With economic development, the degree of environmental degradation deepen logistics activities, as part of the economic activity, is also facing environmental problems, the need to improve the logistics system from an environmental point of view, is the new trend of logistics management in the 21st

With the development of the economy, environmental degradation, economic activity as a part of the logistics activities, environmental issues, as from an environmental perspective to the logistics system is to improve, the twenty-first century new logistics management trends. Green logistics is one