目前,气候变化已给世界各国带来了许多问题,而造成气候变化的一个重要原因是温室气体排放。一些发达国家出于对未来环境的考虑,已在几年前就准确地计算出了碳排放数据,并提出了具体排放标准。目前我国在海运方面的有关数值比较少,在海运和航空方面面临着国际上很大压力,甚至遭到一 At present, climate change has brought many problems to all countries in the world. One of the major causes of climate change is the emission of greenhouse gases. Some developed countries, out of consideration for the future environment, have accurately calculated their carbon emissions data a few years ago and set forth specific emission standards. At present, China has relatively few related figures in maritime transport and is facing great international pressure in shipping and aviation. It even suffers from one