当前,世界贸易中出现了一种新动向：一些发达国家通过制定高于发展中国家的环境质量标准来推行新的贸易保护主义,即以高环境标准准入条件作为限制进口的手段,从而使传统的贸易壁垒逐步演变成环境壁垒,成为绿色贸易壁垒。 At present, there is a new trend in world trade: some developed countries have introduced new trade protectionism by setting higher standards for environmental quality than those in developing countries, that is, they adopt high standards of environmental access as a means of restricting imports so that Traditional trade barriers gradually evolved into environmental barriers and became green trade barriers.